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        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MATTHEW COURSEN</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHoursPerWeekRt>1.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MATTHEW HOLLERAN</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>NICK FREEMAN</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>OLIVIER KAMANDA</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SCOTT HARRIS</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>TOM SCOTT</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>1.50</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JIM NEILL</PersonNm>
        <TitleTxt>PRESIDENT/HEADMASTER</TitleTxt>
        <AverageHoursPerWeekRt>60.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>636654</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>98089</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>STEPHEN KING</PersonNm>
        <TitleTxt>INTERIM CFO/COO(THROUGH 6/30/21)</TitleTxt>
        <AverageHoursPerWeekRt>60.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>98464</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>5761</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CHARLES FRANKLIN</PersonNm>
        <TitleTxt>ASSISTANT HEADMASTER</TitleTxt>
        <AverageHoursPerWeekRt>60.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>151357</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>69219</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>EHREN FEDEROWICZ</PersonNm>
        <TitleTxt>HEAD OF UPPER SCHOOL</TitleTxt>
        <AverageHoursPerWeekRt>60.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>132852</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>77085</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ERIN DUFFY</PersonNm>
        <TitleTxt>HEAD OF MIDDLE SCHOOL</TitleTxt>
        <AverageHoursPerWeekRt>60.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>138274</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>69249</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>PETER GALLO</PersonNm>
        <TitleTxt>DIRECTOR OF DEVELOPMENT</TitleTxt>
        <AverageHoursPerWeekRt>60.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>173473</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>70890</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SARAH POWERS</PersonNm>
        <TitleTxt>DIRECTOR OF ADMISSIONS</TitleTxt>
        <AverageHoursPerWeekRt>60.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>150548</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>62535</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>1481622</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>452828</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>29</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>COX GRAAE SPACK ARCHITECTS PC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>2909 M ST NW</AddressLine1Txt>
            <CityNm>WASHINGTON</CityNm>
            <StateAbbreviationCd>DC</StateAbbreviationCd>
            <ZIPCd>20007</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>ARCHITECTURAL SERVICE</ServicesDesc>
        <CompensationAmt>756512</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>SAGE DINING SERVICES INC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>1402 YORK ROAD</AddressLine1Txt>
            <CityNm>LUTHERVILLE</CityNm>
            <StateAbbreviationCd>MD</StateAbbreviationCd>
            <ZIPCd>21093</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>FOOD SERVICE</ServicesDesc>
        <CompensationAmt>705302</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>BOLANA ENTERPRISES INC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>10739 TUCKER STREET SUITE 270</AddressLine1Txt>
            <CityNm>BELTSVILLE</CityNm>
            <StateAbbreviationCd>MD</StateAbbreviationCd>
            <ZIPCd>20705</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>FACILITY SERVICES (CLEANING/JANITORIAL)</ServicesDesc>
        <CompensationAmt>320141</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>THE BUDD GROUP INC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>2325 S STRATFORD ROAD</AddressLine1Txt>
            <CityNm>WINSTON SALEM</CityNm>
            <StateAbbreviationCd>NC</StateAbbreviationCd>
            <ZIPCd>27103</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>HVAC SYSTEMS MAINTENANCE</ServicesDesc>
        <CompensationAmt>254448</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>MICROSOFT CORPORATION</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>ONE MICROSOFT WAY</AddressLine1Txt>
            <CityNm>REDMOND</CityNm>
            <StateAbbreviationCd>WA</StateAbbreviationCd>
            <ZIPCd>98052</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>TECHNOLOGY SUPPORT</ServicesDesc>
        <CompensationAmt>212113</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>10</CntrctRcvdGreaterThan100KCnt>
      <FundraisingAmt>86750</FundraisingAmt>
      <GovernmentGrantsAmt>2727427</GovernmentGrantsAmt>
      <AllOtherContributionsAmt>9255704</AllOtherContributionsAmt>
      <NoncashContributionsAmt>964663</NoncashContributionsAmt>
      <TotalContributionsAmt>12069881</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>TUITION &amp; FEES</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>31203683</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>31203683</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>AUXILIARY SERVICES</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>639387</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>639387</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>31843070</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>402601</TotalRevenueColumnAmt>
        <ExclusionAmt>402601</ExclusionAmt>
      </InvestmentIncomeGrp>
      <GrossRentsGrp>
        <RealAmt>70276</RealAmt>
      </GrossRentsGrp>
      <LessRentalExpensesGrp>
        <RealAmt>0</RealAmt>
      </LessRentalExpensesGrp>
      <RentalIncomeOrLossGrp>
        <RealAmt>70276</RealAmt>
      </RentalIncomeOrLossGrp>
      <NetRentalIncomeOrLossGrp>
        <TotalRevenueColumnAmt>70276</TotalRevenueColumnAmt>
        <ExclusionAmt>70276</ExclusionAmt>
      </NetRentalIncomeOrLossGrp>
      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>62952</SecuritiesAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>0</SecuritiesAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>62952</SecuritiesAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>62952</TotalRevenueColumnAmt>
        <ExclusionAmt>62952</ExclusionAmt>
      </NetGainOrLossInvestmentsGrp>
      <FundraisingGrossIncomeAmt>89056</FundraisingGrossIncomeAmt>
      <ContriRptFundraisingEventAmt>86750</ContriRptFundraisingEventAmt>
      <FundraisingDirectExpensesAmt>39264</FundraisingDirectExpensesAmt>
      <NetIncmFromFundraisingEvtGrp>
        <TotalRevenueColumnAmt>49792</TotalRevenueColumnAmt>
        <ExclusionAmt>49792</ExclusionAmt>
      </NetIncmFromFundraisingEvtGrp>
      <GrossSalesOfInventoryAmt>190228</GrossSalesOfInventoryAmt>
      <CostOfGoodsSoldAmt>154203</CostOfGoodsSoldAmt>
      <NetIncomeOrLossGrp>
        <TotalRevenueColumnAmt>36025</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>36025</RelatedOrExemptFuncIncomeAmt>
      </NetIncomeOrLossGrp>
      <OtherRevenueMiscGrp>
        <Desc>OTHER INCOME</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>116768</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>116768</RelatedOrExemptFuncIncomeAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueTotalAmt>116768</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>44651365</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>31995863</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>585621</ExclusionAmt>
      </TotalRevenueGrp>
      <GrantsToDomesticIndividualsGrp>
        <TotalAmt>5243134</TotalAmt>
        <ProgramServicesAmt>5243134</ProgramServicesAmt>
      </GrantsToDomesticIndividualsGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>822165</TotalAmt>
        <ProgramServicesAmt>697650</ProgramServicesAmt>
        <ManagementAndGeneralAmt>81325</ManagementAndGeneralAmt>
        <FundraisingAmt>43190</FundraisingAmt>
      </CompCurrentOfcrDirectorsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>13917508</TotalAmt>
        <ProgramServicesAmt>11785566</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1393396</ManagementAndGeneralAmt>
        <FundraisingAmt>738546</FundraisingAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>639232</TotalAmt>
        <ProgramServicesAmt>558156</ProgramServicesAmt>
        <ManagementAndGeneralAmt>52328</ManagementAndGeneralAmt>
        <FundraisingAmt>28748</FundraisingAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>2431787</TotalAmt>
        <ProgramServicesAmt>2123357</ProgramServicesAmt>
        <ManagementAndGeneralAmt>199067</ManagementAndGeneralAmt>
        <FundraisingAmt>109363</FundraisingAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>1051997</TotalAmt>
        <ProgramServicesAmt>918569</ProgramServicesAmt>
        <ManagementAndGeneralAmt>86117</ManagementAndGeneralAmt>
        <FundraisingAmt>47311</FundraisingAmt>
      </PayrollTaxesGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>77447</TotalAmt>
        <ManagementAndGeneralAmt>77447</ManagementAndGeneralAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>47400</TotalAmt>
        <ManagementAndGeneralAmt>47400</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>43052</TotalAmt>
        <ManagementAndGeneralAmt>43052</ManagementAndGeneralAmt>
      </FeesForSrvcInvstMgmntFeesGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>563077</TotalAmt>
        <ProgramServicesAmt>237808</ProgramServicesAmt>
        <ManagementAndGeneralAmt>207711</ManagementAndGeneralAmt>
        <FundraisingAmt>117558</FundraisingAmt>
      </FeesForServicesOtherGrp>
      <AdvertisingGrp>
        <TotalAmt>140519</TotalAmt>
        <ProgramServicesAmt>17468</ProgramServicesAmt>
        <ManagementAndGeneralAmt>106054</ManagementAndGeneralAmt>
        <FundraisingAmt>16997</FundraisingAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>1039179</TotalAmt>
        <ProgramServicesAmt>568258</ProgramServicesAmt>
        <ManagementAndGeneralAmt>402155</ManagementAndGeneralAmt>
        <FundraisingAmt>68766</FundraisingAmt>
      </OfficeExpensesGrp>
      <OccupancyGrp>
        <TotalAmt>912403</TotalAmt>
        <ProgramServicesAmt>912403</ProgramServicesAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>9543</TotalAmt>
        <ProgramServicesAmt>6978</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1362</ManagementAndGeneralAmt>
        <FundraisingAmt>1203</FundraisingAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>76153</TotalAmt>
        <ProgramServicesAmt>55683</ProgramServicesAmt>
        <ManagementAndGeneralAmt>10869</ManagementAndGeneralAmt>
        <FundraisingAmt>9601</FundraisingAmt>
      </ConferencesMeetingsGrp>
      <InterestGrp>
        <TotalAmt>53455</TotalAmt>
        <ProgramServicesAmt>5392</ProgramServicesAmt>
        <ManagementAndGeneralAmt>42346</ManagementAndGeneralAmt>
        <FundraisingAmt>5717</FundraisingAmt>
      </InterestGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>1659445</TotalAmt>
        <ProgramServicesAmt>1372859</ProgramServicesAmt>
        <ManagementAndGeneralAmt>212741</ManagementAndGeneralAmt>
        <FundraisingAmt>73845</FundraisingAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>227395</TotalAmt>
        <ManagementAndGeneralAmt>227395</ManagementAndGeneralAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>EQUIPMENT RENTAL AND MA</Desc>
        <TotalAmt>1411804</TotalAmt>
        <ProgramServicesAmt>1358416</ProgramServicesAmt>
        <ManagementAndGeneralAmt>53388</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>FOOD SERVICES</Desc>
        <TotalAmt>712681</TotalAmt>
        <ManagementAndGeneralAmt>712681</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>ACADEMICS AND ATHLETICS</Desc>
        <TotalAmt>637478</TotalAmt>
        <ProgramServicesAmt>500886</ProgramServicesAmt>
        <ManagementAndGeneralAmt>136396</ManagementAndGeneralAmt>
        <FundraisingAmt>196</FundraisingAmt>
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      <OtherExpensesGrp>
        <Desc>DUES &amp; SUBSCRIPITONS FE</Desc>
        <TotalAmt>253829</TotalAmt>
        <ProgramServicesAmt>154793</ProgramServicesAmt>
        <ManagementAndGeneralAmt>83195</ManagementAndGeneralAmt>
        <FundraisingAmt>15841</FundraisingAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>618281</TotalAmt>
        <ProgramServicesAmt>359407</ProgramServicesAmt>
        <ManagementAndGeneralAmt>120619</ManagementAndGeneralAmt>
        <FundraisingAmt>138255</FundraisingAmt>
      </AllOtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>32588964</TotalAmt>
        <ProgramServicesAmt>26876783</ProgramServicesAmt>
        <ManagementAndGeneralAmt>4297044</ManagementAndGeneralAmt>
        <FundraisingAmt>1415137</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>500</BOYAmt>
        <EOYAmt>500</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>9138532</BOYAmt>
        <EOYAmt>18375737</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <PledgesAndGrantsReceivableGrp>
        <BOYAmt>2891921</BOYAmt>
        <EOYAmt>4689644</EOYAmt>
      </PledgesAndGrantsReceivableGrp>
      <AccountsReceivableGrp>
        <BOYAmt>130637</BOYAmt>
        <EOYAmt>17704</EOYAmt>
      </AccountsReceivableGrp>
      <OthNotesLoansReceivableNetGrp>
        <BOYAmt>212500</BOYAmt>
        <EOYAmt>216750</EOYAmt>
      </OthNotesLoansReceivableNetGrp>
      <InventoriesForSaleOrUseGrp>
        <BOYAmt>148744</BOYAmt>
        <EOYAmt>126675</EOYAmt>
      </InventoriesForSaleOrUseGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>453007</BOYAmt>
        <EOYAmt>573454</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>68233013</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>49973863</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>17911314</BOYAmt>
        <EOYAmt>18259150</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>18406795</BOYAmt>
        <EOYAmt>23823269</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <InvestmentsOtherSecuritiesGrp>
        <BOYAmt>208983</BOYAmt>
        <EOYAmt>264025</EOYAmt>
      </InvestmentsOtherSecuritiesGrp>
      <TotalAssetsGrp>
        <BOYAmt>49502933</BOYAmt>
        <EOYAmt>66346908</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>1961779</BOYAmt>
        <EOYAmt>3070484</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <DeferredRevenueGrp>
        <BOYAmt>9539266</BOYAmt>
        <EOYAmt>12069604</EOYAmt>
      </DeferredRevenueGrp>
      <TaxExemptBondLiabilitiesGrp>
        <BOYAmt>4759653</BOYAmt>
        <EOYAmt>4164696</EOYAmt>
      </TaxExemptBondLiabilitiesGrp>
      <LoansFromOfficersDirectorsGrp>
        <BOYAmt>419902</BOYAmt>
        <EOYAmt>211831</EOYAmt>
      </LoansFromOfficersDirectorsGrp>
      <MortgNotesPyblScrdInvstPropGrp>
        <BOYAmt>955627</BOYAmt>
        <EOYAmt>897708</EOYAmt>
      </MortgNotesPyblScrdInvstPropGrp>
      <UnsecuredNotesLoansPayableGrp>
        <BOYAmt>2727427</BOYAmt>
      </UnsecuredNotesLoansPayableGrp>
      <OtherLiabilitiesGrp>
        <BOYAmt>138500</BOYAmt>
        <EOYAmt>116268</EOYAmt>
      </OtherLiabilitiesGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>20502154</BOYAmt>
        <EOYAmt>20530591</EOYAmt>
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        <EOYAmt>10559785</EOYAmt>
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        <EOYAmt>35256532</EOYAmt>
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        <EOYAmt>45816317</EOYAmt>
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      <TotLiabNetAssetsFundBalanceGrp>
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        <EOYAmt>66346908</EOYAmt>
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      <NetUnrlzdGainsLossesInvstAmt>4753137</NetUnrlzdGainsLossesInvstAmt>
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      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
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      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
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      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
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        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
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        <InvestmentEarningsOrLossesAmt>632389</InvestmentEarningsOrLossesAmt>
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        <EndYearBalanceAmt>19664065</EndYearBalanceAmt>
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        <InvestmentEarningsOrLossesAmt>737499</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>624981</OtherExpendituresAmt>
        <EndYearBalanceAmt>18343847</EndYearBalanceAmt>
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        <EndYearBalanceAmt>16627889</EndYearBalanceAmt>
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        <BookValueAmt>1309749</BookValueAmt>
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      <BuildingsGrp>
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        <DepreciationAmt>36773242</DepreciationAmt>
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        <DepreciationAmt>13200621</DepreciationAmt>
        <BookValueAmt>861209</BookValueAmt>
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      <OtherLandBuildingsGrp>
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        <BookValueAmt>1720963</BookValueAmt>
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      <TotalBookValueLandBuildingsAmt>18259150</TotalBookValueLandBuildingsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>CAPITAL LEASE OBLIGATIONS</Desc>
        <Amt>116268</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>116268</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>44312316</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>4753137</NetUnrealizedGainsInvstAmt>
      <OtherRevenueAmt>-5203337</OtherRevenueAmt>
      <RevenueNotReportedAmt>-450200</RevenueNotReportedAmt>
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      <InvestmentExpensesNotIncldAmt>43052</InvestmentExpensesNotIncldAmt>
      <OtherRevenuesNotIncludedAmt>-154203</OtherRevenuesNotIncludedAmt>
      <RevenueNotReportedFinclStmtAmt>-111151</RevenueNotReportedFinclStmtAmt>
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      <TotExpnsEtcAuditedFinclStmtAmt>27496778</TotExpnsEtcAuditedFinclStmtAmt>
      <OtherExpensesIncludedAmt>154203</OtherExpensesIncludedAmt>
      <ExpensesNotReportedAmt>154203</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>27342575</ExpensesSubtotalAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE DRAW FROM ENDOWMENT IS USED TO SUPPORT GENERAL PROGRAM SERVICES AS WELL AS FOR DESIGNATED PURPOSES, INCLUDING SCHOLARSHIPS, ETHICS FORUMS AND OTHER PROGRAMS (COMMUNITY SERVICE, ACADEMICS, ATHLETICS).</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SCHOOL IS EXEMPT FROM FEDERAL INCOME TAXES UNDER SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE AND HAS BEEN CLASSIFIED AS AN ORGANIZATION THAT IS NOT A PRIVATE FOUNDATION. HOWEVER, INCOME FROM CERTAIN ACTIVITIES NOT DIRECTLY RELATED TO THE SCHOOL'S TAX-EXEMPT PURPOSE IS SUBJECTED TO TAXATION AS UNRELATED BUSINESS INCOME. THE SCHOOL REPRESENTS THAT THERE IS NO UNRELATED BUSINESS INCOME FOR THE YEARS ENDED JUNE 30, 2021 AND 2020, AND ACCORDINGLY, NO PROVISION FOR INCOME TAXES IS REQUIRED IN THE ACCOMPANYING FINANCIAL STATEMENTS. FOR THE YEARS ENDED JUNE 30, 2021 AND 2020, THE MANAGEMENT OF THE SCHOOL DID NOT IDENTIFY ANY UNCERTAIN TAX POSITIONS THAT QUALIFY FOR EITHER RECOGNITION OR DISCLOSURE IN THE FINANCIAL STATEMENTS. THE SCHOOL'S TAX RETURNS ARE SUBJECT TO REVIEW AND EXAMINATION BY FEDERAL, STATE AND LOCAL AUTHORITIES FOR A PERIOD OF THREE YEARS. WHILE NO INCOME TAX RETURNS ARE CURRENTLY BEING EXAMINED, TAX YEARS SINCE 2017 REMAIN OPEN.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>SCHOLARSHIPS NETTED WITH REVENUE ON FINANCIAL STATEMENTS -5,203,337.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>COST OF GOODS SOLD GROUPED WITH EXPENSES ON FINANCIAL STATEMENTS -154,203.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>COST OF GOODS SOLD GROUPED WITH EXPENSES ON FINANCIAL STATEMENTS 154,203.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>SCHOLARSHIPS NETTED WITH REVENUE ON FINANCIAL STATEMENTS 5,203,337.</ExplanationTxt>
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      <PolicyStmtInBrochuresEtcInd>1</PolicyStmtInBrochuresEtcInd>
      <PlcyPblczdViaBroadcastMediaInd>1</PlcyPblczdViaBroadcastMediaInd>
      <MaintainRacialCompRecsInd>1</MaintainRacialCompRecsInd>
      <MaintainScholarshipsRecsInd>1</MaintainScholarshipsRecsInd>
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      <DiscriminateRaceSchsInd>0</DiscriminateRaceSchsInd>
      <DiscriminateRaceEducPlcyInd>0</DiscriminateRaceEducPlcyInd>
      <DiscriminateRaceUseOfFcltsInd>0</DiscriminateRaceUseOfFcltsInd>
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        <FormAndLineReferenceDesc>SCHEDULE E, PART I, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>AN ANNOUNCEMENT IS PLACED IN THE WASHINGTON POST NEWSPAPER PUBLICIZING THE SCHOOL'S NONDISCRIMINATION POLICY. THIS IS DONE ANNUALLY BY AISGW (ASSOCIATION OF INDEPENDENT SCHOOLS OF GREATER WASHINGTON) AS A GROUP ANNOUNCEMENT.</ExplanationTxt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
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        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
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      <RltdOrgOfficerTrstKeyEmplGrp>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>TAX GROSS-UP PAYMENTS WERE MADE FOR VARIOUS TAXABLE BENEFITS PROVIDED TO THE HEAD OF SCHOOL, JAMES NEILL. JAMES NEILL RECEIVED NON-TAXABLE PERSONAL SERVICES IN THE AMOUNT OF $7,250. A NON-TAXABLE HOUSING BENEFIT WAS PROVIDED TO INDIVIDUALS AS A CONDITION OF EMPLOYMENT. THE FOLLOWING INDIVIDUALS RECEIVED THE HOUSING BENEFIT: JAMES NEILL - $40,000 STEPHEN KING - $2,400 PETER GALLO - $40,000 CHARLES FRANKLIN - $40,000 SARAH POWERS - $40,000 ERIN DUFFY - $40,000 EHREN FEDEROWICZ - $40,000</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleK documentId="RetDoc1053100001">
      <TaxExemptBondsIssuesGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <IssuerName>
          <BusinessNameLine1Txt>MARYLAND HEALTH AND HIGHER EDUCATIONAL FACILITIES AUTHORITY</BusinessNameLine1Txt>
        </IssuerName>
        <BondIssuerEIN>520936091</BondIssuerEIN>
        <BondIssuedDt>2011-06-02</BondIssuedDt>
        <IssuePriceAmt>10114264</IssuePriceAmt>
        <PurposeDesc>TO REFUND THE 1999 BONDS &amp; REFINANCE THE ENTIRE OUTSTANDING BALANCE</PurposeDesc>
        <DefeasedInd>0</DefeasedInd>
        <OnBehalfOfIssuerInd>0</OnBehalfOfIssuerInd>
        <PoolFinancingInd>0</PoolFinancingInd>
      </TaxExemptBondsIssuesGrp>
      <TaxExemptBondsProceedsGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <RetiredAmt>5949568</RetiredAmt>
        <TotalProceedsAmt>10114264</TotalProceedsAmt>
        <IssuanceCostsFromProceedsAmt>107717</IssuanceCostsFromProceedsAmt>
        <OtherSpentProceedsAmt>10006547</OtherSpentProceedsAmt>
        <SubstantialCompletionYr>2011</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>
        <BondIssMeetPrvtSecPymtTestInd>0</BondIssMeetPrvtSecPymtTestInd>
        <ChangeInUseBondFinancedPropInd>0</ChangeInUseBondFinancedPropInd>
        <ProcsNonqualifiedBondRemdtdInd>1</ProcsNonqualifiedBondRemdtdInd>
      </TaxExemptBondsPrivateBusUseGrp>
      <TaxExemptBondsArbitrageGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <Form8038TFiledInd>0</Form8038TFiledInd>
        <RebateNotDueYetInd>0</RebateNotDueYetInd>
        <ExceptionToRebateInd>1</ExceptionToRebateInd>
        <NoRebateDueInd>0</NoRebateDueInd>
        <VariableRateIssueInd>1</VariableRateIssueInd>
        <HedgeIdentifiedInBksAndRecInd>0</HedgeIdentifiedInBksAndRecInd>
        <GrossProceedsInvestedInGICInd>0</GrossProceedsInvestedInGICInd>
        <GrossProceedsInvestedInd>0</GrossProceedsInvestedInd>
        <WrittenProcToMonitorReqsInd>1</WrittenProcToMonitorReqsInd>
      </TaxExemptBondsArbitrageGrp>
      <ProceduresCorrectiveActionGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <ProceduresCorrectiveActionInd>1</ProceduresCorrectiveActionInd>
      </ProceduresCorrectiveActionGrp>
    </IRS990ScheduleK>
    <IRS990ScheduleL documentId="RetDoc1042800001">
      <LoansBtwnOrgInterestedPrsnGrp>
        <BusinessName>
          <BusinessNameLine1Txt>DAVID ARMSTRONG</BusinessNameLine1Txt>
        </BusinessName>
        <RelationshipWithOrgTxt>FORMER HEADMASTER</RelationshipWithOrgTxt>
        <LoanPurposeTxt>DEFERRED COMPENSATION OBLIGATION CONVERTED TO A LOAN</LoanPurposeTxt>
        <LoanToOrganizationInd>X</LoanToOrganizationInd>
        <OriginalPrincipalAmt>1035518</OriginalPrincipalAmt>
        <BalanceDueAmt>211831</BalanceDueAmt>
        <DefaultInd>0</DefaultInd>
        <BoardOrCommitteeApprovalInd>1</BoardOrCommitteeApprovalInd>
        <WrittenAgreementInd>1</WrittenAgreementInd>
      </LoansBtwnOrgInterestedPrsnGrp>
      <TotalBalanceDueAmt>211831</TotalBalanceDueAmt>
    </IRS990ScheduleL>
    <IRS990ScheduleM documentId="RetDoc1042900001">
      <SecuritiesPubliclyTradedGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>13</ContributionCnt>
        <NoncashContributionsRptF990Amt>964663</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>AVERAGE</MethodOfDeterminingRevenuesTxt>
      </SecuritiesPubliclyTradedGrp>
      <AnyPropertyThatMustBeHeldInd>0</AnyPropertyThatMustBeHeldInd>
      <ReviewProcessUnusualNCGiftsInd>1</ReviewProcessUnusualNCGiftsInd>
      <ThirdPartiesUsedInd>0</ThirdPartiesUsedInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, COLUMN (B):</FormAndLineReferenceDesc>
        <ExplanationTxt>THE NUMBER IN COLUMN (B) OF PART I REPRESENTS THE NUMBER OF CONTRIBUTIONS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>THE LANDON SCHOOL DELEGATED MANAGEMENT DUTIES TO THE BUDD GROUP TO MANAGE ITS PLANT OPERATIONS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 4</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ARTICLES OF INCORPORATION WERE AMENDED AND RESTATED TO INDICATE THAT THE NUMBER OF TRUSTEES SHALL BE NO LESS THAN NINE (9), WHICH MAY BE INCREASED OR DECREASED PURSUANT TO THE CORPORATION'S BYLAWS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 IS PREPARED BY THE OUTSIDE ACCOUNTING FIRM ENGAGED BY THE SCHOOL. THE RETURN IS REVIEWED BY THE PRESIDENT/HEADMASTER, CFO, CONTROLLER, AND AUDIT AND RISK MANAGEMENT COMMITTEE BEFORE BEING MADE AVAILABLE TO THE TRUSTEES VIA A SECURE WEBSITE PORTAL.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE CONFLICT OF INTEREST POLICY IS POSTED TO THE BOARD'S SECURE WEBSITE PORTAL. TRUSTEES ARE ASKED TO READ AND SIGN THE POLICY AT THE BEGINNING OF EACH YEAR AND ADVISE THE SECRETARY OF ANY ISSUES THAT MIGHT BE OF CONCERN.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SALARIES OF THE OFFICERS ARE DECIDED BY THE USE OF COMPARABLE SALARY DATA AS PROVIDED BY AISGW AND THE ASSOCIATION OF MARYLAND INDEPENDENT SCHOOLS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SCHOOL MAKES ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC UPON REQUEST FOR THE SAME PERIOD OF DISCLOSURE AS SET FORTH IN SECTION 6104(D).</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
