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        <Depreciation>6520940</Depreciation>
        <BookValue>17062664</BookValue>
      </Buildings>
      <Equipment>
        <OtherCostOrOtherBasis>5686155</OtherCostOrOtherBasis>
        <Depreciation>4520062</Depreciation>
        <BookValue>1166093</BookValue>
      </Equipment>
      <TotalOfBookValueLandBuildings>30316475</TotalOfBookValueLandBuildings>
      <OtherSecurities>
        <Description>LIMITED PARTNERSHIPS</Description>
        <BookValue>4361240</BookValue>
        <MethodOfValuation>F</MethodOfValuation>
      </OtherSecurities>
      <OtherSecurities>
        <Description>VANGUARD INDEX TR TOTAL ATK MKT PORTFOLIO INSTL (VITSX)</Description>
        <BookValue>9094120</BookValue>
        <MethodOfValuation>F</MethodOfValuation>
      </OtherSecurities>
      <OtherSecurities>
        <Description>THE WEATHERLOW OFFSHORE FUND I LTD</Description>
        <BookValue>4792688</BookValue>
        <MethodOfValuation>F</MethodOfValuation>
      </OtherSecurities>
      <TotalOfBookValueSecurities>18248048</TotalOfBookValueSecurities>
      <TotalRevenue>30387328</TotalRevenue>
      <TotalExpenses>30745754</TotalExpenses>
      <ExcessOrDeficitForYear>-358426</ExcessOrDeficitForYear>
      <NetUnrealizedGLOnInvestments>6908799</NetUnrealizedGLOnInvestments>
      <OtherAmount>1967485</OtherAmount>
      <TotalAdjustments>8876284</TotalAdjustments>
      <ExcessOrDeficitPerFS>8517858</ExcessOrDeficitPerFS>
      <TotRevenueEtcAuditedFinclStmt>35677711</TotRevenueEtcAuditedFinclStmt>
      <NetUnrealizedGainsInvestments>6908799</NetUnrealizedGainsInvestments>
      <OtherRevenues>52332</OtherRevenues>
      <RevenueNotRptdF990>6961131</RevenueNotRptdF990>
      <RevenueSubtotal>28716580</RevenueSubtotal>
      <InvestmentExpensesNotIncluded>136369</InvestmentExpensesNotIncluded>
      <OtherRevenuesNotIncluded>1534379</OtherRevenuesNotIncluded>
      <RevenueNotRptdOnFinStmt>1670748</RevenueNotRptdOnFinStmt>
      <TotalRevenuePerForm990>30387328</TotalRevenuePerForm990>
      <TotExpensesEtcAuditedFinclStmt>29127338</TotExpensesEtcAuditedFinclStmt>
      <OtherExpensesIncluded>52332</OtherExpensesIncluded>
      <ExpensesNotRptdF990>52332</ExpensesNotRptdF990>
      <ExpensesSubtotal>29075006</ExpensesSubtotal>
      <InvestmentExpensesNotIncluded2>136369</InvestmentExpensesNotIncluded2>
      <OtherExpensesNotIncluded>1534379</OtherExpensesNotIncluded>
      <ExpensesNotRptdOnFinStmt>1670748</ExpensesNotRptdOnFinStmt>
      <TotalExpensesPerForm990>30745754</TotalExpensesPerForm990>
      <Form990ScheduleDPartXIV>
        <Identifier>DESCRIPTION OF HOW ORGANIZATION REPORTS CONSERVATION EASEMENTS:</Identifier>
        <ReturnReference>PART II, LINE 9:</ReturnReference>
        <Explanation>ASSETS ARE RECORDED AT COST AND INCLUDED IN THE VALUE OF LAND ON THE SCHOOL'S BALANCE SHEET. THERE ARE NO REVENUES OR EXPENSES RELATED TO THE EASEMENT.</Explanation>
      </Form990ScheduleDPartXIV>
      <Form990ScheduleDPartXIV>
        <Identifier>DESCRIPTION OF INTENDED USE OF ENDOWMENT FUNDS:</Identifier>
        <ReturnReference>PART V, LINE 4:</ReturnReference>
        <Explanation>TO SUPPORT SPECIFIC PURPOSES IDENTIFIED BY DONORS AND THE OVERALL OPERATION OF THE SCHOOL.</Explanation>
      </Form990ScheduleDPartXIV>
      <Form990ScheduleDPartXIV>
        <Identifier>DESCRIPTION OF UNCERTAIN TAX POSITIONS UNDER FIN 48:</Identifier>
        <ReturnReference>PART X:</ReturnReference>
        <Explanation>WHEN TAX RETURNS ARE FILED, IT IS HIGHLY CERTAIN THAT SOME POSITIONS TAKEN WOULD BE SUSTAINED UPON EXAMINATION BY THE TAXING AUTHORITIES, WHILE OTHERS ARE SUBJECT TO UNCERTAINTY ABOUT THE MERITS OF THE POSITION TAKEN OR THE AMOUNT OF THE POSITION THAT WOULD BE ULTIMATELY SUSTAINED. THE BENEFIT OF A TAX POSITION IS RECOGNIZED IN THE FINANCIAL STATEMENTS IN THE PERIOD DURING WHICH, BASED ON ALL AVAILABLE EVIDENCE, MANAGEMENT BELIEVES IT IS MORE LIKELY THAN NOT THAT THE POSITION WILL BE SUSTAINED UPON EXAMINATION, INCLUDING THE RESOLUTION OF APPEALS OR LITIGATION PROCESSES, IF ANY. TAX POSITIONS TAKEN ARE NOT OFFSET OR AGGREGATED WITH OTHER POSITIONS. TAX POSITIONS THAT MEET THE MORE-LIKELY-THAN-NOT RECOGNITION THRESHOLD ARE MEASURED AS THE LARGEST AMOUNT OF TAX BENEFIT THAT IS MORE THAN 50% LIKELY OF BEING REALIZED UPON SETTLEMENT WITH THE APPLICABLE TAXING AUTHORITY. AS OF JUNE 30, 2011 AND 2010, AND FOR THE YEARS THEN ENDED, THERE ARE NO MATERIAL UNRECOGNIZED/DERECOGNIZED TAX BENEFITS OR TAX PENALTIES OR INTEREST. THE SCHOOL IS NO LONGER SUBJECT TO U.S. FEDERAL AND STATE INCOME TAX EXAMINATIONS BY TAX AUTHORITIES BEFORE 2007.</Explanation>
      </Form990ScheduleDPartXIV>
      <Form990ScheduleDPartXIV>
        <Identifier>PART XI, LINE 8 - OTHER ADJUSTMENTS:</Identifier>
        <Explanation>PENSION RELATED CHANGES 1,967,485.</Explanation>
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      <Form990ScheduleDPartXIV>
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      <Form990ScheduleDPartXIV>
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        <Explanation>FINANCIAL AID EXPENSES NETTED WITH TUITION ON FINANCIAL STATEMENTS 1,535,145. LOSS ON DISPOSAL NETTED WITH EXPENSES ON FINANCIAL STATEMENTS -766.</Explanation>
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      <Form990ScheduleDPartXIV>
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      <Form990ScheduleDPartXIV>
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    </IRS990ScheduleD>
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      <PolicyStatementInBrochuresEtc>1</PolicyStatementInBrochuresEtc>
      <PolicyPublViaBroadcastMedia>1</PolicyPublViaBroadcastMedia>
      <MaintRacialCompositionRecords>1</MaintRacialCompositionRecords>
      <MaintScholarshipsRecords>1</MaintScholarshipsRecords>
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      <MaintCopiesOfAllSolicitations>1</MaintCopiesOfAllSolicitations>
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      <DiscriminateRaceAdmissPolicies>0</DiscriminateRaceAdmissPolicies>
      <DiscriminateRaceEmplmnFaculty>0</DiscriminateRaceEmplmnFaculty>
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        <ReturnReference>SCHEDULE E, PART I, LINE 3</ReturnReference>
        <Explanation>NONDISCRIMINATORY POLICY IS PUBLISHED IN SCHOOL BROCHURES, APPLICATIONS FOR ADMISSION AND IN THE LOCAL TRADE NEWSPAPERS AND PERIODICALS.</Explanation>
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    </IRS990ScheduleE>
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        <NumberOfEmployees>0</NumberOfEmployees>
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          <BusinessNameLine1>CCS</BusinessNameLine1>
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          <State>NY</State>
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      <Form990ScheduleIPartIII>
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        <ReturnReference>PART I, LINE 2:</ReturnReference>
        <Explanation>SCHEDULE I, PART I, LINE 2: ALL GRANTS REDUCE THE TUITION BILL OF STUDENTS. NO CASH IS GIVEN DIRECTLY TO STUDENTS.</Explanation>
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      <PersonalServices>X</PersonalServices>
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      <Form990ScheduleJPartII>
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      <Form990ScheduleJPartII>
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        <CompReportPrior990FilingOrg>0</CompReportPrior990FilingOrg>
        <CompReportPrior990RelatedOrgs>0</CompReportPrior990RelatedOrgs>
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      <Form990ScheduleJPartII>
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        <BonusFilingOrg>0</BonusFilingOrg>
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        <CompReportPrior990RelatedOrgs>0</CompReportPrior990RelatedOrgs>
      </Form990ScheduleJPartII>
      <Form990ScheduleJPartII>
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      </Form990ScheduleJPartII>
      <Form990ScheduleJPartIII>
        <ReturnReference>PART I, LINE 1A</ReturnReference>
        <Explanation>ANDREW MARTIRE, THE HEAD MASTER, RECEIVES THESE BENEFITS. THEY INCLUDE $8,207 OF TAX INDEMNIFICATION AND GROSS UP PAYMENTS THAT ARE INCLUDED IN HIS TAXABLE WAGES, NONTAXABLE SOCIAL CLUB DUES OF $2,205, AND $14,000 IN NONTAXABLE BENEFITS FOR HOUSING AND PERSONAL SERVICES.</Explanation>
      </Form990ScheduleJPartIII>
    </IRS990ScheduleJ>
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      <Form990ScheduleKPartI>
        <IssuerName>
          <BusinessNameLine1>MARYLAND INDUSTRIAL DEVELOPMENT FINANCING AUTHORITY</BusinessNameLine1>
        </IssuerName>
        <IssuerEIN>526002033</IssuerEIN>
        <CUSIPNumber>NONEAVAIL</CUSIPNumber>
        <DateIssued>2011-06-01</DateIssued>
        <IssuePrice>12200000</IssuePrice>
        <DescriptionOfPurpose>TO REFUND 2001 BONDS AND TO FUND CAPITAL IMPROVEMENTS TO THE FACILITIES</DescriptionOfPurpose>
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        <OnBehalfOfIssuer>0</OnBehalfOfIssuer>
        <PoolFinancing>0</PoolFinancing>
      </Form990ScheduleKPartI>
      <Form990ScheduleKPartII>
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        <CapitalExpenditures>34949</CapitalExpenditures>
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        <CurrentRefunding>1</CurrentRefunding>
        <AdvanceRefunding>0</AdvanceRefunding>
        <FinalAllocationMade>0</FinalAllocationMade>
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      </Form990ScheduleKPartII>
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        <AnyResearchAgreements>0</AnyResearchAgreements>
        <BondCounselRoutinelyEngaged>1</BondCounselRoutinelyEngaged>
        <PrcntgePrvtBusinessUseByOthers>0.00000</PrcntgePrvtBusinessUseByOthers>
        <PercentageOfPrvtBusinessReUBI>0.00000</PercentageOfPrvtBusinessReUBI>
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        <GrossProceedsInvestedInGIC>0</GrossProceedsInvestedInGIC>
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      </Form990ScheduleKPartIV>
    </IRS990ScheduleK>
    <IRS990ScheduleL documentId="RetDoc1042800001">
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        <NamePerson>ANDREW D MARTIRE</NamePerson>
        <PurposeOfLoan>DEFERRED COMPENSATION RELATED</PurposeOfLoan>
        <LoanFromOrganization>X</LoanFromOrganization>
        <OriginalPrincipalAmount>318840</OriginalPrincipalAmount>
        <BalanceDue>216442</BalanceDue>
        <Default>0</Default>
        <ApprovedByBoard>1</ApprovedByBoard>
        <WrittenAgreement>1</WrittenAgreement>
      </LoanTable>
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      <Form990ScheduleLPartIII>
        <AmountOfGrant>1500</AmountOfGrant>
        <TypeOfAssistance>FINANCIAL AID</TypeOfAssistance>
      </Form990ScheduleLPartIII>
    </IRS990ScheduleL>
    <IRS990ScheduleM documentId="RetDoc1042900001">
      <SecuritiesPubliclyTraded>
        <NonCashCheckbox>X</NonCashCheckbox>
        <NumberOfContributions>15</NumberOfContributions>
        <NoncashContribsRptdF990>46913</NoncashContribsRptdF990>
        <MethodOfDeterminingRevenues>FAIR MARKET VALUE</MethodOfDeterminingRevenues>
      </SecuritiesPubliclyTraded>
      <AnyPropertyThatMustBeHeld>0</AnyPropertyThatMustBeHeld>
      <ReviewProcessUnusualNCGifts>1</ReviewProcessUnusualNCGifts>
      <ThirdPartiesUsed>0</ThirdPartiesUsed>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <GeneralExplanation>
        <Identifier>FORM 990, PART VI, SECTION B, LINE 11</Identifier>
        <Explanation>THE SCHOOL'S FINANCIAL MANAGERS AND STAFF PROVIDE THE NECESSARY INFORMATION TO PREPARE THE TAX RETURN. A COMMITTEE OF FOUR BOARD MEMBERS WITH FINANCIAL BACKGROUNDS AND KNOWLEDGE OF THE SCHOOL'S FINANCIAL REPORTING REVIEW A DRAFT OF THE COMPLETED RETURN PRIOR TO FILING THE RETURN. THE ENTIRE BOARD OF TRUSTEES RECEIVES A FULL COPY OF THE RETURN BEFORE IT IS FILED WITH THE IRS.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 12C</ReturnReference>
        <Explanation>ALL BOARD OF TRUSTEE MEMBERS AND TOP MANAGEMENT OFFICIALS ANNUALLY COMPLETE A CONFLICT OF INTEREST DISCLOSURE STATEMENT. THE STATEMENT REQUIRES DISCLOSURE OF "ANY MATTER THAT THE BOARD MEMBER BELIEVES MAY INVOLVE A POSSIBLE CONFLICT OF INTEREST AND SHALL THEREAFTER SUPPLEMENT SUCH ANNUAL WRITTEN DISCLOSURE WITH INFORMATION PERTAINING TO CONFLICTS OF INTEREST ARISING AFTER THE ANNUAL DISCLOSURE HAS BEEN FILED."</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 15</ReturnReference>
        <Explanation>THE SCHOOL HAS A COMPENSATION COMMITTEE COMPRISED OF TWO BOARD MEMBERS AND A FORMER BOARD MEMBER. THE COMMITTEE MEETS ANNUALLY TO REVIEW THE COMPENSATION OF TOP MANAGEMENT OFFICIALS AND REVIEWS WRITTEN EMPLOYMENT CONTRACTS WHEN RENEWED OR REVISED. AN INDEPENDENT CONSULTANT IS HIRED TO PREPARE A MARKET STUDY REPORT OF COMPENSATION PACKAGES OF COMPARABLE SCHOOL'S MANAGEMENT. THE COMMITTEE REVIEWS THE PERFORMANCE OF MANAGEMENT AND THE INDEPENDENT CONSULTANT'S REPORT. THE COMPENSATION COMMITTEE APPROVES THE COMPENSATION PLANS.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION C, LINE 19</ReturnReference>
        <Explanation>THE GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS ARE MADE AVAILABLE UPON REQUEST.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>CHANGES IN NET ASSETS OR FUND BALANCES:</Identifier>
        <ReturnReference>FORM 990, PART XI, LINE 5:</ReturnReference>
        <Explanation>NET UNREALIZED GAINS ON INVESTMENTS: 6,908,799. PENSION RELATED CHANGES 1,967,485. TOTAL TO FORM 990, PART XI, LINE 5: 8,876,284.</Explanation>
      </GeneralExplanation>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc1043400001">
      <Form990ScheduleRPartI>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>CALVERT EDUCATION SERVICES LLC</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>105 TUSCANY ROAD</AddressLine1>
          <City>BALTIMORE</City>
          <State>MD</State>
          <ZIPCode>21210</ZIPCode>
        </AddressUS>
        <EIN>274297066</EIN>
        <PrimaryActivities>EDUCATION</PrimaryActivities>
        <LegalDomicileState>MD</LegalDomicileState>
        <TotalIncome>5294580</TotalIncome>
        <EOYAssets>8800457</EOYAssets>
        <DirectControllingEntityNA>N/A</DirectControllingEntityNA>
      </Form990ScheduleRPartI>
    </IRS990ScheduleR>
  </ReturnData>
</Return>