﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile" returnVersion="2023v6.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2025-03-10T16:01:35-05:00</ReturnTs>
    <TaxPeriodEndDt>2024-06-30</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>420714325</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>RSM US LLP</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>100 INTERNATIONAL DRIVE SUITE 400</AddressLine1Txt>
        <CityNm>BALTIMORE</CityNm>
        <StateAbbreviationCd>MD</StateAbbreviationCd>
        <ZIPCd>21202</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2023-07-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>520701774</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>THE KEY SCHOOL INC</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>KEYS</BusinessNameControlTxt>
      <PhoneNum>4102639231</PhoneNum>
      <USAddress>
        <AddressLine1Txt>534 HILLSMERE DR</AddressLine1Txt>
        <CityNm>ANNAPOLIS</CityNm>
        <StateAbbreviationCd>MD</StateAbbreviationCd>
        <ZIPCd>21403</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>CAROLINE EWING</PersonNm>
      <PersonTitleTxt>DIRECTOR OF FINANCE</PersonTitleTxt>
      <PhoneNum>4102639231</PhoneNum>
      <SignatureDt>2025-03-06</SignatureDt>
      <DiscussWithPaidPreparerInd>1</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>0</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>JULIA FLANNERY</PreparerPersonNm>
      <PTIN>P00928918</PTIN>
      <PhoneNum>4102469300</PhoneNum>
      <PreparationDt>2025-03-06</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2023</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="12">
    <IRS990 documentId="RetDoc1038000001" referenceDocumentId="RetDoc1044400001">
      <PrincipalOfficerNm>MATTHEW NESPOLE</PrincipalOfficerNm>
      <USAddress>
        <AddressLine1Txt>534 HILLSMERE DR</AddressLine1Txt>
        <CityNm>ANNAPOLIS</CityNm>
        <StateAbbreviationCd>MD</StateAbbreviationCd>
        <ZIPCd>21403</ZIPCd>
      </USAddress>
      <GrossReceiptsAmt>23234293</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>0</GroupReturnForAffiliatesInd>
      <Organization501c3Ind>X</Organization501c3Ind>
      <WebsiteAddressTxt>WWW.KEYSCHOOL.ORG</WebsiteAddressTxt>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <FormationYr>1958</FormationYr>
      <LegalDomicileStateCd>MD</LegalDomicileStateCd>
      <ActivityOrMissionDesc>INDEPENDENT, NON-SECTARIAN, NON-PROFIT, PK - GRADE 12 SCHOOL</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>29</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>26</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>299</TotalEmployeeCnt>
      <TotalVolunteersCnt>100</TotalVolunteersCnt>
      <TotalGrossUBIAmt>0</TotalGrossUBIAmt>
      <NetUnrelatedBusTxblIncmAmt>0</NetUnrelatedBusTxblIncmAmt>
      <PYContributionsGrantsAmt>3403734</PYContributionsGrantsAmt>
      <CYContributionsGrantsAmt>832209</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>20536969</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>21403007</CYProgramServiceRevenueAmt>
      <PYInvestmentIncomeAmt>652389</PYInvestmentIncomeAmt>
      <CYInvestmentIncomeAmt>827131</CYInvestmentIncomeAmt>
      <PYOtherRevenueAmt>146156</PYOtherRevenueAmt>
      <CYOtherRevenueAmt>29635</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>24739248</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>23091982</CYTotalRevenueAmt>
      <PYGrantsAndSimilarPaidAmt>2556760</PYGrantsAndSimilarPaidAmt>
      <CYGrantsAndSimilarPaidAmt>2801501</CYGrantsAndSimilarPaidAmt>
      <PYBenefitsPaidToMembersAmt>0</PYBenefitsPaidToMembersAmt>
      <CYBenefitsPaidToMembersAmt>0</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>13909116</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>14730389</CYSalariesCompEmpBnftPaidAmt>
      <PYTotalProfFndrsngExpnsAmt>0</PYTotalProfFndrsngExpnsAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>633831</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>6789263</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>7313347</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>23255139</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>24845237</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>1484109</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>-1753255</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>69557147</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>69556589</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>32725661</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>31900270</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>36831486</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>37656319</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <MissionDesc>THE KEY SCHOOL IS FOUNDED UPON THE CONVICTION THAT CHILDREN ARE INNATELY CURIOUS ABOUT THEMSELVES AND THE WORLD; THEY WANT TO LEARN, THEY WANT TO DISCOVER, AND THEY WANT TO CREATE. (CONTINUED ON SCHEDULE O)</MissionDesc>
      <SignificantNewProgramSrvcInd>0</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>0</SignificantChangeInd>
      <ExpenseAmt>18433658</ExpenseAmt>
      <GrantAmt>2801501</GrantAmt>
      <RevenueAmt>21403007</RevenueAmt>
      <Desc>KEY SCHOOL PROVIDES EDUCATION TO OVER 600 STUDENTS FROM AGES 2.5 THROUGH GRADE 12.</Desc>
      <TotalProgramServiceExpensesAmt>18433658</TotalProgramServiceExpensesAmt>
      <DescribedInSection501c3Ind referenceDocumentId="RetDoc1039100001">1</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd referenceDocumentId="RetDoc1234500001">1</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd>0</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>0</LobbyingActivitiesInd>
      <SubjectToProxyTaxInd>0</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd referenceDocumentId="RetDoc1039900001">0</DonorAdvisedFundInd>
      <ConservationEasementsInd referenceDocumentId="RetDoc1039900001">1</ConservationEasementsInd>
      <CollectionsOfArtInd referenceDocumentId="RetDoc1039900001">0</CollectionsOfArtInd>
      <CreditCounselingInd referenceDocumentId="RetDoc1039900001">0</CreditCounselingInd>
      <DonorRstrOrQuasiEndowmentsInd>1</DonorRstrOrQuasiEndowmentsInd>
      <ReportLandBuildingEquipmentInd referenceDocumentId="RetDoc1039900001">1</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd referenceDocumentId="RetDoc1039900001">1</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd referenceDocumentId="RetDoc1039900001">0</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd referenceDocumentId="RetDoc1039900001">0</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd referenceDocumentId="RetDoc1039900001">1</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd referenceDocumentId="RetDoc1039900001">1</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd referenceDocumentId="RetDoc1039900001">1</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd referenceDocumentId="RetDoc1039900001">0</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd referenceDocumentId="RetDoc1040400001">1</SchoolOperatingInd>
      <ForeignOfficeInd>0</ForeignOfficeInd>
      <ForeignActivitiesInd>0</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd>0</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd>0</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd referenceDocumentId="RetDoc1041300001">0</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd referenceDocumentId="RetDoc1041300001">1</FundraisingActivitiesInd>
      <GamingActivitiesInd referenceDocumentId="RetDoc1041300001">1</GamingActivitiesInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <GrantsToOrganizationsInd referenceDocumentId="RetDoc1041900001">0</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd referenceDocumentId="RetDoc1041900001">1</GrantsToIndividualsInd>
      <ScheduleJRequiredInd referenceDocumentId="RetDoc1042400001">1</ScheduleJRequiredInd>
      <TaxExemptBondsInd referenceDocumentId="RetDoc1053100001">1</TaxExemptBondsInd>
      <InvestTaxExemptBondsInd>0</InvestTaxExemptBondsInd>
      <EscrowAccountInd>0</EscrowAccountInd>
      <OnBehalfOfIssuerInd>0</OnBehalfOfIssuerInd>
      <EngagedInExcessBenefitTransInd referenceDocumentId="RetDoc1042800001">0</EngagedInExcessBenefitTransInd>
      <PYExcessBenefitTransInd referenceDocumentId="RetDoc1042800001">0</PYExcessBenefitTransInd>
      <LoanOutstandingInd referenceDocumentId="RetDoc1042800001">0</LoanOutstandingInd>
      <GrantToRelatedPersonInd referenceDocumentId="RetDoc1042800001">1</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd referenceDocumentId="RetDoc1042800001">0</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd referenceDocumentId="RetDoc1042800001">0</BusinessRlnWithFamMemInd>
      <BusinessRlnWith35CtrlEntInd>0</BusinessRlnWith35CtrlEntInd>
      <DeductibleNonCashContriInd>0</DeductibleNonCashContriInd>
      <DeductibleArtContributionInd>0</DeductibleArtContributionInd>
      <TerminateOperationsInd>0</TerminateOperationsInd>
      <PartialLiquidationInd>0</PartialLiquidationInd>
      <DisregardedEntityInd referenceDocumentId="RetDoc1043400001">1</DisregardedEntityInd>
      <RelatedEntityInd referenceDocumentId="RetDoc1043400001">1</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>1</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd referenceDocumentId="RetDoc1043400001">0</TransactionWithControlEntInd>
      <TrnsfrExmptNonChrtblRltdOrgInd referenceDocumentId="RetDoc1043400001">0</TrnsfrExmptNonChrtblRltdOrgInd>
      <ActivitiesConductedPrtshpInd referenceDocumentId="RetDoc1043400001">0</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>1</ScheduleORequiredInd>
      <IRPDocumentCnt>21</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <BackupWthldComplianceInd>1</BackupWthldComplianceInd>
      <EmployeeCnt>299</EmployeeCnt>
      <EmploymentTaxReturnsFiledInd>1</EmploymentTaxReturnsFiledInd>
      <UnrelatedBusIncmOverLimitInd>0</UnrelatedBusIncmOverLimitInd>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>0</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>0</NondeductibleContributionsInd>
      <QuidProQuoContributionsInd>1</QuidProQuoContributionsInd>
      <QuidProQuoContriDisclInd>1</QuidProQuoContriDisclInd>
      <Form8282PropertyDisposedOfInd>0</Form8282PropertyDisposedOfInd>
      <RcvFndsToPayPrsnlBnftCntrctInd>0</RcvFndsToPayPrsnlBnftCntrctInd>
      <PayPremiumsPrsnlBnftCntrctInd>0</PayPremiumsPrsnlBnftCntrctInd>
      <IndoorTanningServicesInd>0</IndoorTanningServicesInd>
      <SubjToTaxRmnrtnExPrchtPymtInd>0</SubjToTaxRmnrtnExPrchtPymtInd>
      <SubjectToExcsTaxNetInvstIncInd>0</SubjectToExcsTaxNetInvstIncInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>29</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>26</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>0</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>0</DelegationOfMgmtDutiesInd>
      <ChangeToOrgDocumentsInd>0</ChangeToOrgDocumentsInd>
      <MaterialDiversionOrMisuseInd>0</MaterialDiversionOrMisuseInd>
      <MembersOrStockholdersInd>0</MembersOrStockholdersInd>
      <ElectionOfBoardMembersInd>0</ElectionOfBoardMembersInd>
      <DecisionsSubjectToApprovaInd>0</DecisionsSubjectToApprovaInd>
      <MinutesOfGoverningBodyInd>1</MinutesOfGoverningBodyInd>
      <MinutesOfCommitteesInd>1</MinutesOfCommitteesInd>
      <OfficerMailingAddressInd>0</OfficerMailingAddressInd>
      <LocalChaptersInd>0</LocalChaptersInd>
      <Form990ProvidedToGvrnBodyInd>0</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>1</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>1</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>1</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>1</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>1</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>0</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>0</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>0</InvestmentInJointVentureInd>
      <StatesWhereCopyOfReturnIsFldCd>MD</StatesWhereCopyOfReturnIsFldCd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>CAROLINE EWING</BusinessNameLine1Txt>
        </BusinessName>
        <PhoneNum>4102639231</PhoneNum>
        <USAddress>
          <AddressLine1Txt>534 HILLSMERE DR</AddressLine1Txt>
          <CityNm>ANNAPOLIS</CityNm>
          <StateAbbreviationCd>MD</StateAbbreviationCd>
          <ZIPCd>21403</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <Form990PartVIISectionAGrp>
        <PersonNm>MATTHEW NESPOLE</PersonNm>
        <TitleTxt>HEAD OF SCHOOL</TitleTxt>
        <AverageHoursPerWeekRt>60.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>446695</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>42301</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JOHN HILBERT</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ALANNA WRIGHT</PersonNm>
        <TitleTxt>VICE PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>COLIN HARRINGTON</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>LAKSHMI RAMANI</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MARK BAGANZ</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>TOM BAUM</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>PETER BICHE</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MARCH BISHOP</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JULIUS CLARK</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ELYSE COLGAN</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>LEANDER J FOLEY III</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JOAN GILLECE</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MICHAEL GLASS</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JOSEPH A JANNEY III</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>WESLEY R JONES</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KEN KISSEL</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ELIZABETH LAPCZYNSKI</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>WILLIAM MAPP</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>TROY MAYER</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MATTHEW MCCABE</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KARA MCGUIRK-ALLISON</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>WALDO MCMILLAN</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SONG PAK</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MICHAEL SMITH</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>COURTNEY SPANGLER</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SHANNON TOWER</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JOANN WARRICK</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ANNA WOOD</PersonNm>
        <TitleTxt>BOARD MEMBER</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CAROLINE EWING</PersonNm>
        <TitleTxt>DIRECTOR/FINANCE &amp; OPS</TitleTxt>
        <AverageHoursPerWeekRt>55.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>168387</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>21175</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DAVID MAGNUS</PersonNm>
        <TitleTxt>MIDDLE SCHOOL HEAD</TitleTxt>
        <AverageHoursPerWeekRt>55.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>153709</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>29316</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KRISTEN ADDISON CATLETT</PersonNm>
        <TitleTxt>LOWER SCHOOL HEAD</TitleTxt>
        <AverageHoursPerWeekRt>55.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>144625</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>40196</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>TOM ROSSINI</PersonNm>
        <TitleTxt>DIRECTOR/ENROLLMT/OUTREACH</TitleTxt>
        <AverageHoursPerWeekRt>55.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>125580</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>64718</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KATE AUSTIN</PersonNm>
        <TitleTxt>DIRECTOR/COMMUNICATIONS</TitleTxt>
        <AverageHoursPerWeekRt>55.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>122328</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>27534</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BRIAN MICHAELS</PersonNm>
        <TitleTxt>UPPER SCHOOL HEAD</TitleTxt>
        <AverageHoursPerWeekRt>55.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>131095</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>62134</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>1292419</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>287374</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>9</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>THE WHITING-TURNER CONTRACTING CO</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>300 E JOPPA RD</AddressLine1Txt>
            <CityNm>BALTIMORE</CityNm>
            <StateAbbreviationCd>MD</StateAbbreviationCd>
            <ZIPCd>21286</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>CONSTRUCTION</ServicesDesc>
        <CompensationAmt>2837513</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>CLEAN NET OF BALTIMORE WASHINGTON</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>9861 BROKEN LAND PKWY 208</AddressLine1Txt>
            <CityNm>COLUMBIA</CityNm>
            <StateAbbreviationCd>MD</StateAbbreviationCd>
            <ZIPCd>21046</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>CLEANING SERVICE PROVIDERS</ServicesDesc>
        <CompensationAmt>322624</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>BROCK FOOD SERVICE</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>257 GREAT VALLEY PKWAY</AddressLine1Txt>
            <CityNm>MALVERN</CityNm>
            <StateAbbreviationCd>PA</StateAbbreviationCd>
            <ZIPCd>19355</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>FOOD SERVICE PROVIDER</ServicesDesc>
        <CompensationAmt>307912</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>BRIGHTVIEW LANDSCAPE SERVICES</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>PO BOX 740655</AddressLine1Txt>
            <CityNm>ATLANTA</CityNm>
            <StateAbbreviationCd>GA</StateAbbreviationCd>
            <ZIPCd>30374</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>LANDSCAPING SERVICES</ServicesDesc>
        <CompensationAmt>231166</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>HORD COPLAN MACHT INC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>PO BOX 69429</AddressLine1Txt>
            <CityNm>BALTIMORE</CityNm>
            <StateAbbreviationCd>MD</StateAbbreviationCd>
            <ZIPCd>21264</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>CONSTRUCTION</ServicesDesc>
        <CompensationAmt>213269</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>13</CntrctRcvdGreaterThan100KCnt>
      <FundraisingAmt>110650</FundraisingAmt>
      <AllOtherContributionsAmt>721559</AllOtherContributionsAmt>
      <NoncashContributionsAmt>24701</NoncashContributionsAmt>
      <TotalContributionsAmt>832209</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>TUITION &amp; FEES</Desc>
        <BusinessCd>611110</BusinessCd>
        <TotalRevenueColumnAmt>20468362</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>20468362</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>SUMMER PROGRAMS</Desc>
        <BusinessCd>611110</BusinessCd>
        <TotalRevenueColumnAmt>934645</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>934645</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>21403007</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>827131</TotalRevenueColumnAmt>
        <ExclusionAmt>827131</ExclusionAmt>
      </InvestmentIncomeGrp>
      <GrossRentsGrp>
        <RealAmt>41025</RealAmt>
      </GrossRentsGrp>
      <LessRentalExpensesGrp>
        <RealAmt>27060</RealAmt>
      </LessRentalExpensesGrp>
      <RentalIncomeOrLossGrp>
        <RealAmt>13965</RealAmt>
      </RentalIncomeOrLossGrp>
      <NetRentalIncomeOrLossGrp>
        <TotalRevenueColumnAmt>13965</TotalRevenueColumnAmt>
        <ExclusionAmt>13965</ExclusionAmt>
      </NetRentalIncomeOrLossGrp>
      <FundraisingGrossIncomeAmt>91934</FundraisingGrossIncomeAmt>
      <ContriRptFundraisingEventAmt>110650</ContriRptFundraisingEventAmt>
      <FundraisingDirectExpensesAmt>114215</FundraisingDirectExpensesAmt>
      <NetIncmFromFundraisingEvtGrp>
        <TotalRevenueColumnAmt>-22281</TotalRevenueColumnAmt>
        <ExclusionAmt>-22281</ExclusionAmt>
      </NetIncmFromFundraisingEvtGrp>
      <GamingGrossIncomeAmt>16778</GamingGrossIncomeAmt>
      <GamingDirectExpensesAmt>0</GamingDirectExpensesAmt>
      <NetIncomeFromGamingGrp>
        <TotalRevenueColumnAmt>16778</TotalRevenueColumnAmt>
        <ExclusionAmt>16778</ExclusionAmt>
      </NetIncomeFromGamingGrp>
      <GrossSalesOfInventoryAmt>2250</GrossSalesOfInventoryAmt>
      <CostOfGoodsSoldAmt>1036</CostOfGoodsSoldAmt>
      <NetIncomeOrLossGrp>
        <TotalRevenueColumnAmt>1214</TotalRevenueColumnAmt>
        <ExclusionAmt>1214</ExclusionAmt>
      </NetIncomeOrLossGrp>
      <OtherRevenueMiscGrp>
        <Desc>OTHER REVENUE</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>19959</TotalRevenueColumnAmt>
        <ExclusionAmt>19959</ExclusionAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueTotalAmt>19959</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>23091982</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>21403007</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>856766</ExclusionAmt>
      </TotalRevenueGrp>
      <GrantsToDomesticIndividualsGrp>
        <TotalAmt>2801501</TotalAmt>
        <ProgramServicesAmt>2801501</ProgramServicesAmt>
      </GrantsToDomesticIndividualsGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>719313</TotalAmt>
        <ProgramServicesAmt>466412</ProgramServicesAmt>
        <ManagementAndGeneralAmt>225705</ManagementAndGeneralAmt>
        <FundraisingAmt>27196</FundraisingAmt>
      </CompCurrentOfcrDirectorsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>10424952</TotalAmt>
        <ProgramServicesAmt>6759674</ProgramServicesAmt>
        <ManagementAndGeneralAmt>3271122</ManagementAndGeneralAmt>
        <FundraisingAmt>394156</FundraisingAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>396621</TotalAmt>
        <ProgramServicesAmt>257174</ProgramServicesAmt>
        <ManagementAndGeneralAmt>124451</ManagementAndGeneralAmt>
        <FundraisingAmt>14996</FundraisingAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>2359711</TotalAmt>
        <ProgramServicesAmt>1624506</ProgramServicesAmt>
        <ManagementAndGeneralAmt>685398</ManagementAndGeneralAmt>
        <FundraisingAmt>49807</FundraisingAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>829792</TotalAmt>
        <ProgramServicesAmt>538048</ProgramServicesAmt>
        <ManagementAndGeneralAmt>260370</ManagementAndGeneralAmt>
        <FundraisingAmt>31374</FundraisingAmt>
      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>349757</TotalAmt>
        <ProgramServicesAmt>303904</ProgramServicesAmt>
        <ManagementAndGeneralAmt>41411</ManagementAndGeneralAmt>
        <FundraisingAmt>4442</FundraisingAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>47854</TotalAmt>
        <ManagementAndGeneralAmt>47854</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <AdvertisingGrp>
        <TotalAmt>94738</TotalAmt>
        <ProgramServicesAmt>2282</ProgramServicesAmt>
        <ManagementAndGeneralAmt>92456</ManagementAndGeneralAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>199846</TotalAmt>
        <ProgramServicesAmt>145385</ProgramServicesAmt>
        <ManagementAndGeneralAmt>47266</ManagementAndGeneralAmt>
        <FundraisingAmt>7195</FundraisingAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>319035</TotalAmt>
        <ProgramServicesAmt>253363</ProgramServicesAmt>
        <ManagementAndGeneralAmt>64827</ManagementAndGeneralAmt>
        <FundraisingAmt>845</FundraisingAmt>
      </InformationTechnologyGrp>
      <OccupancyGrp>
        <TotalAmt>1713510</TotalAmt>
        <ProgramServicesAmt>1512380</ProgramServicesAmt>
        <ManagementAndGeneralAmt>179025</ManagementAndGeneralAmt>
        <FundraisingAmt>22105</FundraisingAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>133766</TotalAmt>
        <ProgramServicesAmt>133766</ProgramServicesAmt>
      </TravelGrp>
      <InterestGrp>
        <TotalAmt>414789</TotalAmt>
        <ProgramServicesAmt>360411</ProgramServicesAmt>
        <ManagementAndGeneralAmt>49110</ManagementAndGeneralAmt>
        <FundraisingAmt>5268</FundraisingAmt>
      </InterestGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>1499596</TotalAmt>
        <ProgramServicesAmt>1302849</ProgramServicesAmt>
        <ManagementAndGeneralAmt>177552</ManagementAndGeneralAmt>
        <FundraisingAmt>19195</FundraisingAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>80887</TotalAmt>
        <ProgramServicesAmt>70283</ProgramServicesAmt>
        <ManagementAndGeneralAmt>9577</ManagementAndGeneralAmt>
        <FundraisingAmt>1027</FundraisingAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>PROGRAM SUPPLIES &amp; EXP</Desc>
        <TotalAmt>1375653</TotalAmt>
        <ProgramServicesAmt>1375653</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>FOOD/FOOD SERVICE</Desc>
        <TotalAmt>301553</TotalAmt>
        <ProgramServicesAmt>301553</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>OFFICE MANAGEMENT</Desc>
        <TotalAmt>228330</TotalAmt>
        <ManagementAndGeneralAmt>183489</ManagementAndGeneralAmt>
        <FundraisingAmt>44841</FundraisingAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>PROF. DEVELOPMENT</Desc>
        <TotalAmt>142208</TotalAmt>
        <ProgramServicesAmt>133050</ProgramServicesAmt>
        <ManagementAndGeneralAmt>9158</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>411825</TotalAmt>
        <ProgramServicesAmt>91464</ProgramServicesAmt>
        <ManagementAndGeneralAmt>308977</ManagementAndGeneralAmt>
        <FundraisingAmt>11384</FundraisingAmt>
      </AllOtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>24845237</TotalAmt>
        <ProgramServicesAmt>18433658</ProgramServicesAmt>
        <ManagementAndGeneralAmt>5777748</ManagementAndGeneralAmt>
        <FundraisingAmt>633831</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>55930</BOYAmt>
        <EOYAmt>86459</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>7675940</BOYAmt>
        <EOYAmt>5364176</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <PledgesAndGrantsReceivableGrp>
        <BOYAmt>1803249</BOYAmt>
        <EOYAmt>1404004</EOYAmt>
      </PledgesAndGrantsReceivableGrp>
      <AccountsReceivableGrp>
        <BOYAmt>13996566</BOYAmt>
        <EOYAmt>14027332</EOYAmt>
      </AccountsReceivableGrp>
      <InventoriesForSaleOrUseGrp>
        <BOYAmt>2237</BOYAmt>
        <EOYAmt>1954</EOYAmt>
      </InventoriesForSaleOrUseGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>470853</BOYAmt>
        <EOYAmt>390050</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>44246260</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>17042369</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>25449740</BOYAmt>
        <EOYAmt>27203891</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>15035110</BOYAmt>
        <EOYAmt>9390214</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <InvestmentsOtherSecuritiesGrp>
        <BOYAmt>4789467</BOYAmt>
        <EOYAmt>11471976</EOYAmt>
      </InvestmentsOtherSecuritiesGrp>
      <OtherAssetsTotalGrp>
        <BOYAmt>278055</BOYAmt>
        <EOYAmt>216533</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>69557147</BOYAmt>
        <EOYAmt>69556589</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>1860022</BOYAmt>
        <EOYAmt>1565640</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <DeferredRevenueGrp>
        <BOYAmt>16293207</BOYAmt>
        <EOYAmt>16323665</EOYAmt>
      </DeferredRevenueGrp>
      <TaxExemptBondLiabilitiesGrp>
        <BOYAmt>14079681</BOYAmt>
        <EOYAmt>13641927</EOYAmt>
      </TaxExemptBondLiabilitiesGrp>
      <MortgNotesPyblScrdInvstPropGrp>
        <BOYAmt>178804</BOYAmt>
        <EOYAmt>119886</EOYAmt>
      </MortgNotesPyblScrdInvstPropGrp>
      <UnsecuredNotesLoansPayableGrp>
        <BOYAmt>15000</BOYAmt>
        <EOYAmt>10455</EOYAmt>
      </UnsecuredNotesLoansPayableGrp>
      <OtherLiabilitiesGrp>
        <BOYAmt>298947</BOYAmt>
        <EOYAmt>238697</EOYAmt>
      </OtherLiabilitiesGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>32725661</BOYAmt>
        <EOYAmt>31900270</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>22195745</BOYAmt>
        <EOYAmt>23653141</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <DonorRestrictionNetAssetsGrp>
        <BOYAmt>14635741</BOYAmt>
        <EOYAmt>14003178</EOYAmt>
      </DonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>36831486</BOYAmt>
        <EOYAmt>37656319</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>69557147</BOYAmt>
        <EOYAmt>69556589</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>-1753255</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>2578088</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <SchoolInd>X</SchoolInd>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1234500001">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleD documentId="RetDoc1039900001">
      <ProtectionNaturalHabitatInd>X</ProtectionNaturalHabitatInd>
      <TotalEasementsCnt>1</TotalEasementsCnt>
      <TotalAcreageCnt>1.00</TotalAcreageCnt>
      <StatesEasementsHeldCnt>1</StatesEasementsHeldCnt>
      <WrittenPolicyMonitoringInd>0</WrittenPolicyMonitoringInd>
      <CYEndwmtFundGrp>
        <BeginningYearBalanceAmt>19486763</BeginningYearBalanceAmt>
        <ContributionsAmt>19097</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>3133906</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>658822</OtherExpendituresAmt>
        <EndYearBalanceAmt>21980944</EndYearBalanceAmt>
      </CYEndwmtFundGrp>
      <CYMinus1YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>17479447</BeginningYearBalanceAmt>
        <ContributionsAmt>21118</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>2383604</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>397406</OtherExpendituresAmt>
        <EndYearBalanceAmt>19486763</EndYearBalanceAmt>
      </CYMinus1YrEndwmtFundGrp>
      <CYMinus2YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>19459963</BeginningYearBalanceAmt>
        <ContributionsAmt>118700</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>-2073493</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>25723</OtherExpendituresAmt>
        <EndYearBalanceAmt>17479447</EndYearBalanceAmt>
      </CYMinus2YrEndwmtFundGrp>
      <CYMinus3YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>14875367</BeginningYearBalanceAmt>
        <ContributionsAmt>25684</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>4583052</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>24140</OtherExpendituresAmt>
        <EndYearBalanceAmt>19459963</EndYearBalanceAmt>
      </CYMinus3YrEndwmtFundGrp>
      <CYMinus4YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>14320272</BeginningYearBalanceAmt>
        <ContributionsAmt>129234</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>448795</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>22934</OtherExpendituresAmt>
        <EndYearBalanceAmt>14875367</EndYearBalanceAmt>
      </CYMinus4YrEndwmtFundGrp>
      <BoardDesignatedBalanceEOYPct>0.38000</BoardDesignatedBalanceEOYPct>
      <PrmnntEndowmentBalanceEOYPct>0.62000</PrmnntEndowmentBalanceEOYPct>
      <EndowmentsHeldUnrelatedOrgInd>0</EndowmentsHeldUnrelatedOrgInd>
      <EndowmentsHeldRelatedOrgInd>0</EndowmentsHeldRelatedOrgInd>
      <LandGrp>
        <OtherCostOrOtherBasisAmt>16871206</OtherCostOrOtherBasisAmt>
        <BookValueAmt>16871206</BookValueAmt>
      </LandGrp>
      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>24445556</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>15837543</DepreciationAmt>
        <BookValueAmt>8608013</BookValueAmt>
      </BuildingsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>2929498</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>1204826</DepreciationAmt>
        <BookValueAmt>1724672</BookValueAmt>
      </EquipmentGrp>
      <TotalBookValueLandBuildingsAmt>27203891</TotalBookValueLandBuildingsAmt>
      <OtherSecuritiesGrp>
        <Desc>15452.042-500 INDEX FD ADM (VFIAX)</Desc>
        <BookValueAmt>7784121</BookValueAmt>
        <MethodValuationCd>F</MethodValuationCd>
      </OtherSecuritiesGrp>
      <OtherSecuritiesGrp>
        <Desc>28313.659-STOCK MKT INDEX ADM (VTSAX)</Desc>
        <BookValueAmt>3687855</BookValueAmt>
        <MethodValuationCd>F</MethodValuationCd>
      </OtherSecuritiesGrp>
      <TotalBookValueSecuritiesAmt>11471976</TotalBookValueSecuritiesAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>FINANCE LEASE LIABILITIES</Desc>
        <Amt>238697</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>238697</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>22959035</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>2578088</NetUnrealizedGainsInvstAmt>
      <OtherRevenueAmt>-2801501</OtherRevenueAmt>
      <RevenueNotReportedAmt>-223413</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>23182448</RevenueSubtotalAmt>
      <OtherRevenuesNotIncludedAmt>-90466</OtherRevenuesNotIncludedAmt>
      <RevenueNotReportedFinclStmtAmt>-90466</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>23091982</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>22134202</TotExpnsEtcAuditedFinclStmtAmt>
      <OtherExpensesIncludedAmt>90466</OtherExpensesIncludedAmt>
      <ExpensesNotReportedAmt>90466</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>22043736</ExpensesSubtotalAmt>
      <OtherExpensesNotIncludedAmt>2801501</OtherExpensesNotIncludedAmt>
      <ExpensesNotRptFinclStmtAmt>2801501</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>24845237</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART II, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>WE DO NOT REPORT ON CONSERVATION EASEMENTS IN OUR REVENUE AND EXPENSE STATEMENTS AND BALANCE SHEET.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>INCOME GENERATED FROM THE ENDOWMENT IS USED TO SUPPORT THE SCHOOL'S MISSION TO EDUCATE CHILDREN SO THAT THEY EMBRACE LIFELONG LEARNING AND BECOME THOUGHTFUL AND CONSTRUCTIVE MEMBERS OF SOCIETY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>MANAGEMENT HAS EVALUATED THE SCHOOL'S TAX POSITIONS AND HAS CONCLUDED THAT THE SCHOOL HAS TAKEN NO UNCERTAIN TAX POSITIONS THAT REQUIRE ADJUSTMENT TO OR DISCLOSURE IN THE CONSOLIDATED FINANCIAL STATEMENTS. GENERALLY, THE SCHOOL IS NO LONGER SUBJECT TO INCOME TAX EXAMINATIONS BY THE U.S. FEDERAL, STATE OR LOCAL TAX AUTHORITIES FOR YEARS BEFORE 2021.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>FINANCIAL AID NETTED AGAINST TUITION REVENUE -2,801,501.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>RENTAL EXPENSES REPORTED ON LINE 6B -27,060. COST OF GOODS SOLD REPORTED ON LINE 10B -1,036. FUNDRAISING EVENT EXPENSE REPORTED ON LINE 8B -62,370.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>RENTAL EXPENSES REPORTED ON LINE 6B 27,060. COST OF GOODS SOLD REPORTED ON LINE 10B 1,036. FUNDRAISING EVENT EXPENSE REPORTED ON LINE 8B 62,370.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>FINANCIAL AID NETTED AGAINST TUITION REVENUE 2,801,501.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleE documentId="RetDoc1040400001">
      <NondiscriminatoryPolicyStmtInd>1</NondiscriminatoryPolicyStmtInd>
      <PolicyStmtInBrochuresEtcInd>1</PolicyStmtInBrochuresEtcInd>
      <PlcyPblczdViaBroadcastMediaInd>1</PlcyPblczdViaBroadcastMediaInd>
      <MaintainRacialCompRecsInd>1</MaintainRacialCompRecsInd>
      <MaintainScholarshipsRecsInd>1</MaintainScholarshipsRecsInd>
      <MaintainCpyOfBrochuresEtcInd>1</MaintainCpyOfBrochuresEtcInd>
      <MaintainCpyOfAllSolInd>1</MaintainCpyOfAllSolInd>
      <DiscriminateRaceStdntsRghtsInd>0</DiscriminateRaceStdntsRghtsInd>
      <DiscriminateRaceAdmissPlcyInd>0</DiscriminateRaceAdmissPlcyInd>
      <DiscriminateRaceEmplmFcultyInd>0</DiscriminateRaceEmplmFcultyInd>
      <DiscriminateRaceSchsInd>0</DiscriminateRaceSchsInd>
      <DiscriminateRaceEducPlcyInd>0</DiscriminateRaceEducPlcyInd>
      <DiscriminateRaceUseOfFcltsInd>0</DiscriminateRaceUseOfFcltsInd>
      <DiscriminateRaceAthltProgInd>0</DiscriminateRaceAthltProgInd>
      <DiscriminateRaceOtherActyInd>0</DiscriminateRaceOtherActyInd>
      <GovernmentFinancialAidRcvdInd>0</GovernmentFinancialAidRcvdInd>
      <GovernmentFinancialAidRvkdInd>0</GovernmentFinancialAidRvkdInd>
      <ComplianceWithRevProc7550Ind>1</ComplianceWithRevProc7550Ind>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE E, PART I, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>IN ALL PRINTED MATERIAL AS WELL AS ON THE SCHOOL'S WEBSITE, FACULTY/STAFF AND PARENT/TEACHER HANDBOOKS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleE>
    <IRS990ScheduleG documentId="RetDoc1041300001">
      <FundraisingEventInformationGrp>
        <Event1Nm>BOOK FESTIVAL</Event1Nm>
        <GrossReceiptsEvent1Amt>116494</GrossReceiptsEvent1Amt>
        <CharitableContriEvent1Amt>97976</CharitableContriEvent1Amt>
        <GrossRevenueEvent1Amt>18518</GrossRevenueEvent1Amt>
        <OtherDirectExpensesEvent1Amt>71658</OtherDirectExpensesEvent1Amt>
        <Event2Nm>HARVEST DINNER</Event2Nm>
        <GrossReceiptsEvent2Amt>65152</GrossReceiptsEvent2Amt>
        <CharitableContriEvent2Amt>2480</CharitableContriEvent2Amt>
        <GrossRevenueEvent2Amt>62672</GrossRevenueEvent2Amt>
        <RentFacilityCostsEvent2Amt>3317</RentFacilityCostsEvent2Amt>
        <FoodAndBeverageEvent2Amt>11158</FoodAndBeverageEvent2Amt>
        <OtherDirectExpensesEvent2Amt>20057</OtherDirectExpensesEvent2Amt>
        <OtherEventsTotalCnt>2</OtherEventsTotalCnt>
        <GrossReceiptsOtherEventsAmt>20938</GrossReceiptsOtherEventsAmt>
        <CharitableContriOtherEventsAmt>10194</CharitableContriOtherEventsAmt>
        <GrossRevenueOtherEventsAmt>10744</GrossRevenueOtherEventsAmt>
        <CashPrizesOtherEventsAmt>600</CashPrizesOtherEventsAmt>
        <FoodAndBeverageOtherEventsAmt>2111</FoodAndBeverageOtherEventsAmt>
        <OthDirectExpnssOtherEventsAmt>5314</OthDirectExpnssOtherEventsAmt>
        <GrossReceiptsTotalAmt>202584</GrossReceiptsTotalAmt>
        <CharitableContributionsTotAmt>110650</CharitableContributionsTotAmt>
        <GrossRevenueTotalEventsAmt>91934</GrossRevenueTotalEventsAmt>
        <CashPrizesTotalEventsAmt>600</CashPrizesTotalEventsAmt>
        <RentFcltyCostsTotalEventsAmt>3317</RentFcltyCostsTotalEventsAmt>
        <FoodAndBeverageTotalEventsAmt>13269</FoodAndBeverageTotalEventsAmt>
        <OthDirectExpnssTotalEventsAmt>97029</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>114215</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>-22281</NetIncomeSummaryAmt>
      </FundraisingEventInformationGrp>
      <GamingInformationGrp>
        <GrossRevenueOtherGamingAmt>16778</GrossRevenueOtherGamingAmt>
        <VolunteerLaborOtherGamingInd>1</VolunteerLaborOtherGamingInd>
        <VolunteerLaborOtherGamingPct>0.70000</VolunteerLaborOtherGamingPct>
        <GrossRevenueTotalGamingAmt>16778</GrossRevenueTotalGamingAmt>
        <NetGamingIncomeSummaryAmt>16778</NetGamingIncomeSummaryAmt>
      </GamingInformationGrp>
      <StatesWhereGamingConductedCd>MD</StatesWhereGamingConductedCd>
      <LicensedInd>0</LicensedInd>
      <ExplanationIfNoTxt>IN MARYLAND, RAFFLES OF PERSONAL PROPERTY ARE GOVERNED AT THE COUNTY LEVEL. THE KEY SCHOOL RESIDES IN ANNE ARUNDEL COUNTY, MD, WHICH DOES NOT ISSUE PERMITS FOR RAFFLES.</ExplanationIfNoTxt>
      <LicenseSuspendedEtcInd>0</LicenseSuspendedEtcInd>
      <GamingWithNonmembersInd>0</GamingWithNonmembersInd>
      <MemberOfOtherEntityInd>0</MemberOfOtherEntityInd>
      <GamingOwnFacilityPct>1.00000</GamingOwnFacilityPct>
      <GamingOtherFacilityPct>0.00000</GamingOtherFacilityPct>
      <IndividualWithBooksNm>CAROLINE EWING</IndividualWithBooksNm>
      <PersonsWithBooksUSAddress>
        <AddressLine1Txt>534 HILLSMERE DR</AddressLine1Txt>
        <CityNm>ANNAPOLIS</CityNm>
        <StateAbbreviationCd>MD</StateAbbreviationCd>
        <ZIPCd>21403</ZIPCd>
      </PersonsWithBooksUSAddress>
      <CntrctWith3rdPrtyForGameRevInd>0</CntrctWith3rdPrtyForGameRevInd>
      <GamingManagerPersonNm>REGINA SPRUILL</GamingManagerPersonNm>
      <GamingManagerCompensationAmt>0</GamingManagerCompensationAmt>
      <GamingManagerServicesProvTxt>REGINA SPRUILL IS THE PARENTS' ASSOCIATION VICE PRESIDENT/VOLUNTEER. SHE OVERSEES THE ENTIRE RAFFLE BASKET PROCESS FOR THE ANNUAL BOOK FESTIVAL, INCLUDING GATHERING IDEAS FOR BASKET THEMES, COLLECTING DONATIONS AND PUTTING THE BASKETS TOGETHER TO BE RAFFLED OFF.</GamingManagerServicesProvTxt>
      <GamingManagerIsDirectorOfcrInd>X</GamingManagerIsDirectorOfcrInd>
      <CharitableDistributionRqrInd>0</CharitableDistributionRqrInd>
      <DistributedAmt>0</DistributedAmt>
    </IRS990ScheduleG>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>FINANCIAL AID TO STUDENTS</GrantTypeTxt>
        <RecipientCnt>227</RecipientCnt>
        <CashGrantAmt>2801501</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>INDIVIDUAL STUDENTS ARE AWARDED SCHOLARSHIPS BASED ON THE FINANCIAL NEEDS OF THE STUDENT.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <CompensationCommitteeInd>X</CompensationCommitteeInd>
      <Form990OfOtherOrganizationsInd>X</Form990OfOtherOrganizationsInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>0</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>1</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>MATTHEW NESPOLE</PersonNm>
        <TitleTxt>HEAD OF SCHOOL</TitleTxt>
        <BaseCompensationFilingOrgAmt>421695</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>25000</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>11550</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>30751</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>488996</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>BRIAN MICHAELS</PersonNm>
        <TitleTxt>UPPER SCHOOL HEAD</TitleTxt>
        <BaseCompensationFilingOrgAmt>131095</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>6879</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>55255</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>193229</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>TOM ROSSINI</PersonNm>
        <TitleTxt>DIRECTOR/ENROLLMT/OUTREACH</TitleTxt>
        <BaseCompensationFilingOrgAmt>125580</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>6993</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>57725</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>190298</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>CAROLINE EWING</PersonNm>
        <TitleTxt>DIRECTOR/FINANCE &amp; OPS</TitleTxt>
        <BaseCompensationFilingOrgAmt>168387</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>8148</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>13027</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>189562</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>KRISTEN ADDISON CATLETT</PersonNm>
        <TitleTxt>LOWER SCHOOL HEAD</TitleTxt>
        <BaseCompensationFilingOrgAmt>144625</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>6993</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>33203</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>184821</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>DAVID MAGNUS</PersonNm>
        <TitleTxt>MIDDLE SCHOOL HEAD</TitleTxt>
        <BaseCompensationFilingOrgAmt>153709</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>7960</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>21356</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>183025</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 7</FormAndLineReferenceDesc>
        <ExplanationTxt>MATTHEW NESPOLE, HEAD OF SCHOOL, RECEIVED A PERFORMANCE BONUS IN THE AMOUNT OF $25,000 DURING THE CALENDAR YEAR 2023.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleK documentId="RetDoc1053100001">
      <TaxExemptBondsIssuesGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <IssuerName>
          <BusinessNameLine1Txt>MARYLAND HEALTH &amp; HIGHER EDUCATION FACILITIES AUTHORITY</BusinessNameLine1Txt>
        </IssuerName>
        <BondIssuerEIN>520936091</BondIssuerEIN>
        <BondIssuedDt>2016-07-21</BondIssuedDt>
        <IssuePriceAmt>15999265</IssuePriceAmt>
        <PurposeDesc>DEBT REFINANCING &amp; RENOVATIONS</PurposeDesc>
        <DefeasedInd>0</DefeasedInd>
        <OnBehalfOfIssuerInd>0</OnBehalfOfIssuerInd>
        <PoolFinancingInd>0</PoolFinancingInd>
      </TaxExemptBondsIssuesGrp>
      <TaxExemptBondsProceedsGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <RetiredAmt>2154851</RetiredAmt>
        <TotalProceedsAmt>15999265</TotalProceedsAmt>
        <IssuanceCostsFromProceedsAmt>304927</IssuanceCostsFromProceedsAmt>
        <WorkingCapitalExpendituresAmt>15694338</WorkingCapitalExpendituresAmt>
        <CapitalExpendituresAmt>7817921</CapitalExpendituresAmt>
        <OtherSpentProceedsAmt>7876417</OtherSpentProceedsAmt>
        <SubstantialCompletionYr>2020</SubstantialCompletionYr>
        <RefundingTaxExemptBondsInd>1</RefundingTaxExemptBondsInd>
        <RefundingTaxableBondsInd>0</RefundingTaxableBondsInd>
        <FinalAllocationMadeInd>1</FinalAllocationMadeInd>
        <AdequateBooksAndRecMaintInd>1</AdequateBooksAndRecMaintInd>
      </TaxExemptBondsProceedsGrp>
      <TaxExemptBondsPrivateBusUseGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <OwningBondFinancedPropertyInd>0</OwningBondFinancedPropertyInd>
        <AnyLeaseArrangementsInd>0</AnyLeaseArrangementsInd>
        <MgmtContractBondFincdPropInd>0</MgmtContractBondFincdPropInd>
        <AnyResearchAgreementsInd>0</AnyResearchAgreementsInd>
        <PrivateBusUseByOthersPct>0.00000</PrivateBusUseByOthersPct>
        <PrivateBusConcerningUBIPct>0.00000</PrivateBusConcerningUBIPct>
        <TotalPrivateBusinessUsePct>0.00000</TotalPrivateBusinessUsePct>
        <BondIssMeetPrvtSecPymtTestInd>0</BondIssMeetPrvtSecPymtTestInd>
        <ChangeInUseBondFinancedPropInd>0</ChangeInUseBondFinancedPropInd>
        <ProcsNonqualifiedBondRemdtdInd>1</ProcsNonqualifiedBondRemdtdInd>
      </TaxExemptBondsPrivateBusUseGrp>
      <TaxExemptBondsArbitrageGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <Form8038TFiledInd>0</Form8038TFiledInd>
        <RebateNotDueYetInd>0</RebateNotDueYetInd>
        <ExceptionToRebateInd>0</ExceptionToRebateInd>
        <NoRebateDueInd>1</NoRebateDueInd>
        <VariableRateIssueInd>0</VariableRateIssueInd>
        <HedgeIdentifiedInBksAndRecInd>0</HedgeIdentifiedInBksAndRecInd>
        <GrossProceedsInvestedInGICInd>0</GrossProceedsInvestedInGICInd>
        <GrossProceedsInvestedInd>0</GrossProceedsInvestedInd>
        <WrittenProcToMonitorReqsInd>1</WrittenProcToMonitorReqsInd>
      </TaxExemptBondsArbitrageGrp>
      <ProceduresCorrectiveActionGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <ProceduresCorrectiveActionInd>1</ProceduresCorrectiveActionInd>
      </ProceduresCorrectiveActionGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>DATE REBATE COMPUTATION PERFORMED</FormAndLineReferenceDesc>
        <ExplanationTxt>ISSUER NAME: MARYLAND HEALTH &amp; HIGHER EDUCATION FACILITIES AUTHORITY DATE THE REBATE COMPUTATION WAS PERFORMED: 08/09/2022</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE K, PART I, LINE A</FormAndLineReferenceDesc>
        <ExplanationTxt>ON JULY 20, 2016, SERIES 2016A TAX-EXEMPT BONDS WERE ISSUED AND THE SCHOOL OBTAINED A NOTE, WHICH ALLOWS FOR A MAXIMUM BORROWING AMOUNT OF $15,999,265. AT CLOSING, THE SCHOOL USED PROCEEDS TOTALING $8,181,344 TO PAY OFF PRINCIPAL AND INTEREST OF THE SERIES 2008 BONDS, THE LAND, AND THE NOTE PAYABLE AND TO FINANCE DEBT ISSUANCE COSTS. THE REMAINING $7,817,921 IN NEW DEBT WAS MADE AVAILABLE FOR CAPITAL PROJECTS OF THE SCHOOL, SPECIFICALLY THE DEVELOPMENT OF FUSCO PARK. THE FINANCING AGREEMENT WAS SCHEDULED TO EXPIRE IN JULY, 2019. ON 6/24/2019, MARYLAND HEALTH AND HIGHER EDUCATION FACILITIES AUTHORITY (MHHEFA), SANDY SPRING BANK AND THE KEY SCHOOL PREEMPTIVELY ADVANCED THE REMAINING FUNDS TO AN ESCROW ACCOUNT AT WILMINGTON TRUST WHICH WERE INVESTED IN US GOVERNMENT OBLIGATIONS, COMMERCIAL BANK CERTIFICATES OF DEPOSIT, COMMERCIAL PAPER AND OTHER INVESTMENTS. AS OF OCTOBER 29, 2020, THE PROCEEDS OF THE ESCROW ACCOUNT WERE FULLY DISBURSED FOR THE DEVELOPMENT OF FUSCO ATHLETIC PARK.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleK>
    <IRS990ScheduleL documentId="RetDoc1042800001">
      <GrntAsstBnftInterestedPrsnGrp>
        <CashGrantAmt>46000</CashGrantAmt>
        <TypeOfAssistanceTxt>FINANCIAL AID</TypeOfAssistanceTxt>
        <AssistancePurposeTxt>TUITION ASSISTANCE</AssistancePurposeTxt>
      </GrntAsstBnftInterestedPrsnGrp>
    </IRS990ScheduleL>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART III, LINE 1, ORGANIZATION'S MISSION:</FormAndLineReferenceDesc>
        <ExplanationTxt>OUR MISSION IS TO NOURISH AND GUIDE THIS NATURAL EXUBERANCE, ENERGY, AND DELIGHT IN THE SEARCH FOR MEANING, SO THAT EACH STUDENT EMBRACES LIFELONG LEARNING AND DEVELOPS INTO AN INFORMED, THOUGHTFUL, AND CONSTRUCTIVE MEMBER OF SOCIETY. WITH THESE BELIEFS AND OBJECTIVES IN MIND, WE COMMIT TO: PROVIDE A DYNAMIC EDUCATION THAT DEMANDS RIGOR, INTELLECTUAL INDEPENDENCE, CREATIVITY, INTERDISCIPLINARY THOUGHT, AND OPENNESS TO DIFFERING PERSPECTIVES THROUGH ACADEMIC AND CO-CURRICULAR PROGRAMS THAT TEACH STUDENTS EXPERIENTIALLY, AS ACTIVE PARTICIPANTS IN THE LEARNING PROCESS. GUIDE AND SUPPORT STUDENTS IN THEIR EFFORTS TO MATURE INTELLECTUALLY, SOCIALLY, AND EMOTIONALLY; TO MAKE DECISIONS FOR THEMSELVES AND TAKE RESPONSIBILITY FOR THOSE DECISIONS; TO ADDRESS THEIR INDIVIDUAL LEARNING NEEDS; AND TO BROADEN AND DEEPEN THEIR TALENTS AND INTERESTS. PREPARE STUDENTS WITH THE COLLABORATIVE AND COMPETITIVE ABILITIES AND THE COMMUNICATION AND THINKING SKILLS THEY NEED TO EFFECTIVELY UNDERTAKE CHALLENGES AND ASSUME RESPONSIBILITIES IN AN INTERCONNECTED, COMPLEX WORLD. CULTIVATE A COMMUNITY IN WHICH TEACHING AND LEARNING ARE LIFELONG ENDEAVORS FOR ALL, PURSUED THROUGH REFLECTION, PRIVATE STUDY, AND COMMUNAL ENGAGEMENT. SUSTAIN AN ETHICAL SCHOOL CULTURE THAT RESPECTS THE DIGNITY OF EVERY HUMAN BEING, RECOGNIZES THAT LIBERTY MUST BE BALANCED BY RESPONSIBILITY AND INDIVIDUAL ACTION BY THE NEEDS OF OTHERS, AND STRESSES TO ALL MEMBERS OF A DIVERSE SCHOOL COMMUNITY THE IMPORTANCE OF TRUST, MUTUAL RESPECT, COMPASSION, AND SERVICE TO OTHERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>AFTER A REVIEW OF THE FORM 990 BY THE FINANCIAL MANAGEMENT OF THE SCHOOL, THE SCHOOL'S AUDIT COMMITTEE WILL THEN REVIEW THE RETURN. THE FINAL STEP IN THE REVIEW PROCESS WILL BE THE PRESENTATION OF THE FORM 990 TO THE FULL BOARD OF TRUSTEES OF THE SCHOOL WITH DONOR INFORMATION REDACTED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>KEY SCHOOL MANDATES COMPLETION OF A CONFLICT OF INTEREST POLICY FORM ANNUALLY BY ALL TRUSTEES. THESE FORMS ARE REVIEWED ANNUALLY IN ORDER TO MAINTAIN COMPLIANCE WITH THE POLICY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE KEY SCHOOL DOES NOT MAKE ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC. FORM 990 IS AVAILABLE TO THE PUBLIC ON GUIDESTAR.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>KEY SCHOOL DID NOT CHANGE THE OVERSIGHT OR SELECTION PROCESS FROM THE PRIOR YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc1043400001">
      <IdDisregardedEntitiesGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>DOVE LANE LLC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>543 HILLSMERE DR</AddressLine1Txt>
          <CityNm>ANNAPOLIS</CityNm>
          <StateAbbreviationCd>MD</StateAbbreviationCd>
          <ZIPCd>21403</ZIPCd>
        </USAddress>
        <EIN>521356766</EIN>
        <PrimaryActivitiesTxt>REAL ESTATE HOLDING COMPANY</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MD</LegalDomicileStateCd>
        <TotalIncomeAmt>41025</TotalIncomeAmt>
        <EndOfYearAssetsAmt>125480</EndOfYearAssetsAmt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>KEY SCHOOL INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
      </IdDisregardedEntitiesGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>THE KEY SCHOOL BUILDING &amp; FINANCE CORP</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>534 HILLSMERE DR</AddressLine1Txt>
          <CityNm>ANNAPOLIS</CityNm>
          <StateAbbreviationCd>MD</StateAbbreviationCd>
          <ZIPCd>21403</ZIPCd>
        </USAddress>
        <EIN>517459855</EIN>
        <PrimaryActivitiesTxt>DORMANT</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>MD</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>KEY SCHOOL INC</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <EntityTypeTxt>C</EntityTypeTxt>
        <OwnershipPct>1.00000</OwnershipPct>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>0</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>0</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>0</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>0</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>0</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>0</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>0</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>0</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>0</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>0</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>0</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>0</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>0</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>0</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>0</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>0</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>0</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
    </IRS990ScheduleR>
  </ReturnData>
</Return>