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      <FormerOfcrEmployeesListedInd>false</FormerOfcrEmployeesListedInd>
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      <CompensationFromOtherSrcsInd>false</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
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          <BusinessName>
            <BusinessNameLine1Txt>F J Corbett Company</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
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            <CityNm>Fairfax</CityNm>
            <StateAbbreviationCd>VA</StateAbbreviationCd>
            <ZIPCd>22031</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Construction services</ServicesDesc>
        <CompensationAmt>428362</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Farrens' Stable LLC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>1100 Wake Forest Rd Suite 100</AddressLine1Txt>
            <CityNm>Raleigh</CityNm>
            <StateAbbreviationCd>NC</StateAbbreviationCd>
            <ZIPCd>27604</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>Lease</ServicesDesc>
        <CompensationAmt>304700</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Sharon Negri</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>1339 E St SE 41</AddressLine1Txt>
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          </USAddress>
        </ContractorAddress>
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      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>Associated Building Maintenance Co Inc</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
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          </USAddress>
        </ContractorAddress>
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        <CompensationAmt>146071</CompensationAmt>
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        <ExclusionAmt>-28621</ExclusionAmt>
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      <NetIncomeFromGamingGrp>
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      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
      <FSAuditedInd>true</FSAuditedInd>
      <FSAuditedBasisGrp>
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      <AuditCommitteeInd>true</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>false</FederalGrantAuditRequiredInd>
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        <ContributorUSAddress>
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      <OtherAssetsOrgGrp>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Pt XI, Line 2d</FormAndLineReferenceDesc>
        <ExplanationTxt>Financial aid moved to expenses.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Pt XII, Line 4b</FormAndLineReferenceDesc>
        <ExplanationTxt>Financial aid moved to expenses.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Pt XI, Line 4b</FormAndLineReferenceDesc>
        <ExplanationTxt>Special event expenses moved to income side.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Pt XII, Line 2d</FormAndLineReferenceDesc>
        <ExplanationTxt>Special event expenses moved to income side.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Pt V, Line 4</FormAndLineReferenceDesc>
        <ExplanationTxt>Endowment funds are intended to be used for financial aid, teacher professional development or educational enhancements.</ExplanationTxt>
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    </IRS990ScheduleD>
    <IRS990ScheduleE documentId="IRS990ScheduleE-01" softwareId="24020153">
      <NondiscriminatoryPolicyStmtInd>true</NondiscriminatoryPolicyStmtInd>
      <PolicyStmtInBrochuresEtcInd>true</PolicyStmtInBrochuresEtcInd>
      <PlcyPblczdViaBroadcastMediaInd>true</PlcyPblczdViaBroadcastMediaInd>
      <MaintainRacialCompRecsInd>true</MaintainRacialCompRecsInd>
      <MaintainScholarshipsRecsInd>true</MaintainScholarshipsRecsInd>
      <MaintainCpyOfBrochuresEtcInd>true</MaintainCpyOfBrochuresEtcInd>
      <MaintainCpyOfAllSolInd>true</MaintainCpyOfAllSolInd>
      <DiscriminateRaceStdntsRghtsInd>false</DiscriminateRaceStdntsRghtsInd>
      <DiscriminateRaceAdmissPlcyInd>false</DiscriminateRaceAdmissPlcyInd>
      <DiscriminateRaceEmplmFcultyInd>false</DiscriminateRaceEmplmFcultyInd>
      <DiscriminateRaceSchsInd>false</DiscriminateRaceSchsInd>
      <DiscriminateRaceEducPlcyInd>false</DiscriminateRaceEducPlcyInd>
      <DiscriminateRaceUseOfFcltsInd>false</DiscriminateRaceUseOfFcltsInd>
      <DiscriminateRaceAthltProgInd>false</DiscriminateRaceAthltProgInd>
      <DiscriminateRaceOtherActyInd>false</DiscriminateRaceOtherActyInd>
      <GovernmentFinancialAidRcvdInd>false</GovernmentFinancialAidRcvdInd>
      <GovernmentFinancialAidRvkdInd>false</GovernmentFinancialAidRvkdInd>
      <ComplianceWithRevProc7550Ind>true</ComplianceWithRevProc7550Ind>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Line 3</FormAndLineReferenceDesc>
        <ExplanationTxt>The School annually publicizes in the Washington Post their nondiscriminatory policy through the Association of Independent Schools. See Part I Line 3</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleE>
    <IRS990ScheduleG documentId="IRS990ScheduleG-01">
      <FundraisingEventInformationGrp>
        <Event1Nm>2024 Spring fundraiser</Event1Nm>
        <GrossReceiptsEvent1Amt>190501</GrossReceiptsEvent1Amt>
        <CharitableContriEvent1Amt>159351</CharitableContriEvent1Amt>
        <GrossRevenueEvent1Amt>31150</GrossRevenueEvent1Amt>
        <RentFacilityCostsEvent1Amt>8734</RentFacilityCostsEvent1Amt>
        <FoodAndBeverageEvent1Amt>35370</FoodAndBeverageEvent1Amt>
        <EntertainmentEvent1Amt>4624</EntertainmentEvent1Amt>
        <OtherDirectExpensesEvent1Amt>11043</OtherDirectExpensesEvent1Amt>
        <GrossReceiptsTotalAmt>190501</GrossReceiptsTotalAmt>
        <CharitableContributionsTotAmt>159351</CharitableContributionsTotAmt>
        <GrossRevenueTotalEventsAmt>31150</GrossRevenueTotalEventsAmt>
        <RentFcltyCostsTotalEventsAmt>8734</RentFcltyCostsTotalEventsAmt>
        <FoodAndBeverageTotalEventsAmt>35370</FoodAndBeverageTotalEventsAmt>
        <EntertainmentTotalEventsAmt>4624</EntertainmentTotalEventsAmt>
        <OthDirectExpnssTotalEventsAmt>11043</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>59771</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>-28621</NetIncomeSummaryAmt>
      </FundraisingEventInformationGrp>
    </IRS990ScheduleG>
    <IRS990ScheduleI documentId="IRS990ScheduleI-01" softwareId="24020153">
      <GrantRecordsMaintainedInd>true</GrantRecordsMaintainedInd>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>Tuition financial aid</GrantTypeTxt>
        <RecipientCnt>60</RecipientCnt>
        <CashGrantAmt>0</CashGrantAmt>
        <NonCashAssistanceAmt>1255730</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>Tuition reduction</NonCashAssistanceDesc>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>Summer Camp financial aid</GrantTypeTxt>
        <RecipientCnt>27</RecipientCnt>
        <CashGrantAmt>0</CashGrantAmt>
        <NonCashAssistanceAmt>60016</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>Tuition reduction</NonCashAssistanceDesc>
      </GrantsOtherAsstToIndivInUSGrp>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="IRS990ScheduleJ-01">
      <SubstantiationRequiredInd>false</SubstantiationRequiredInd>
      <WrittenEmploymentContractInd>X</WrittenEmploymentContractInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>false</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>false</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>false</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>false</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>false</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>false</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>false</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>false</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>false</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>R Jason Gray</PersonNm>
        <BaseCompensationFilingOrgAmt>266972</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>102</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>18695</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>1849</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>287618</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Danielle M Bowen</PersonNm>
        <BaseCompensationFilingOrgAmt>212270</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>102</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>14885</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>227257</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Thomas Sellevaag</PersonNm>
        <BaseCompensationFilingOrgAmt>129804</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>108</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>9085</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>17163</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>156160</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Kathryn Bauman-Hill</PersonNm>
        <BaseCompensationFilingOrgAmt>134997</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>108</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>9449</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>17163</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>161717</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
    </IRS990ScheduleJ>
    <IRS990ScheduleL documentId="IRS990ScheduleL-01" softwareId="24020153">
      <GrntAsstBnftInterestedPrsnGrp>
        <PersonNm>1</PersonNm>
        <RelationshipWithOrgTxt>Trustee</RelationshipWithOrgTxt>
        <CashGrantAmt>25000</CashGrantAmt>
        <TypeOfAssistanceTxt>Financial aid</TypeOfAssistanceTxt>
        <AssistancePurposeTxt>Ed benefits to children</AssistancePurposeTxt>
      </GrntAsstBnftInterestedPrsnGrp>
      <GrntAsstBnftInterestedPrsnGrp>
        <PersonNm>2</PersonNm>
        <RelationshipWithOrgTxt>Officer</RelationshipWithOrgTxt>
        <CashGrantAmt>5000</CashGrantAmt>
        <TypeOfAssistanceTxt>Financial aid</TypeOfAssistanceTxt>
        <AssistancePurposeTxt>Ed benefits to children</AssistancePurposeTxt>
      </GrntAsstBnftInterestedPrsnGrp>
    </IRS990ScheduleL>
    <IRS990ScheduleO documentId="IRS990ScheduleO-01" softwareId="24020153">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Pt VI, Line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>THE CFO PREPARED THE INFORMATION REQUIRED TO COMPLETE THE 990 AND SUBMITTED IT TO THE OUTSIDE ACCOUNTANTS WHO THEN PREPARED THE 990 FOR REVIEW BY THE CFO. CHDS THEN DISTRIBUTED THE FORM 990 TO THE BOARD MEMBERS ELECTRONICALLY FOR REVIEW AND COMMENT BEFORE IT WAS FILED WITH THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Pt VI, Line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD OF TRUSTEES HAS A WRITTEN CONFLICT OF INTEREST POLICY AND A COPY IS GIVEN TO EACH BOARD MEMBER ONCE A YEAR TO BE READ, SIGNED AND COLLECTED BY THE BOARD. IF POTENTIAL OR ACTUAL CONFLICTS (PAST, PRESENT OR FUTURE) ARE IDENTIFIED, THE PERSON DEEMED TO HAVE A CONFLICT IS RECUSED FROM DELIBERATIONS AND VOTING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Pt VI, Line 15a</FormAndLineReferenceDesc>
        <ExplanationTxt>SALARIES ARE SET IN ACCORDANCE WITH POLICY ESTABLISHED BY THE BOARD OF TRUSTEES USING COMPENSATION SURVEY DATA PROVIDED BY THE ASSOCIATION OF INDEPENDENT SCHOOLS OF GREATER WASHINGTON (AISGW), THE NATIONAL ASSOCIATION OF INDEPENDENT SCHOOLS (NAIS), AND THE ASSOCIATION OF INDEPENDENT MARYLAND SCHOOLS (AIMS). THE SALARY IS INCORPORATED INTO A WRITTEN CONTRACT SIGNED BY BOTH PARTIES. THE LAST SALARY REVIEW WAS COMPLETED IN JANUARY 2026.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Pt VI, Line 15b</FormAndLineReferenceDesc>
        <ExplanationTxt>Same as 15a above.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Pt VI, Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATIONS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS ARE AVAILABLE FROM THE SCHOOL UPON REQUEST. THE HEAD OF SCHOOL EVALUATES EACH REQUEST SEPARATELY AND, WHERE APPROPRIATE, PROVIDES THOSE DOCUMENTS TO THE REQUESTOR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>