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      <RevenueNotReportedAmt>-778610</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>9030712</RevenueSubtotalAmt>
      <OtherRevenuesNotIncludedAmt>-64250</OtherRevenuesNotIncludedAmt>
      <RevenueNotReportedFinclStmtAmt>-64250</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>8966462</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>6523036</TotExpnsEtcAuditedFinclStmtAmt>
      <OtherExpensesIncludedAmt>64250</OtherExpensesIncludedAmt>
      <ExpensesNotReportedAmt>64250</ExpensesNotReportedAmt>
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      <OtherExpensesNotIncludedAmt>1010285</OtherExpensesNotIncludedAmt>
      <ExpensesNotRptFinclStmtAmt>1010285</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>7469071</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Pt XI, Line 2d</FormAndLineReferenceDesc>
        <ExplanationTxt>Financial aid $1,010,085 and investment fees $200</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Pt XI, Line 4b</FormAndLineReferenceDesc>
        <ExplanationTxt>Special event expenses</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Pt XII, Line 2d</FormAndLineReferenceDesc>
        <ExplanationTxt>Special event expenses</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Pt XII, Line 4b</FormAndLineReferenceDesc>
        <ExplanationTxt>Financial aid $1,010,085 and investment fees $200</ExplanationTxt>
      </SupplementalInformationDetail>
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      <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 lists their nondiscrimination policy on all admission literature, its website and all job postings. The Association of Independent Schools of Greater Washington, to which The River School belongs, places an ad in the Washington Post regarding its racial discriminatory policy for member schools. See Part I line 3</ExplanationTxt>
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      <AgrmtProfFundraisingActyInd>false</AgrmtProfFundraisingActyInd>
      <FundraisingEventInformationGrp>
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        <GrossReceiptsEvent1Amt>302090</GrossReceiptsEvent1Amt>
        <CharitableContriEvent1Amt>281260</CharitableContriEvent1Amt>
        <GrossRevenueEvent1Amt>20830</GrossRevenueEvent1Amt>
        <FoodAndBeverageEvent1Amt>19330</FoodAndBeverageEvent1Amt>
        <EntertainmentEvent1Amt>1500</EntertainmentEvent1Amt>
        <OtherDirectExpensesEvent1Amt>27224</OtherDirectExpensesEvent1Amt>
        <GrossReceiptsTotalAmt>302090</GrossReceiptsTotalAmt>
        <CharitableContributionsTotAmt>281260</CharitableContributionsTotAmt>
        <GrossRevenueTotalEventsAmt>20830</GrossRevenueTotalEventsAmt>
        <FoodAndBeverageTotalEventsAmt>19330</FoodAndBeverageTotalEventsAmt>
        <EntertainmentTotalEventsAmt>1500</EntertainmentTotalEventsAmt>
        <OthDirectExpnssTotalEventsAmt>27224</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>48054</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>-27224</NetIncomeSummaryAmt>
      </FundraisingEventInformationGrp>
      <GamingInformationGrp>
        <GrossRevenueOtherGamingAmt>41200</GrossRevenueOtherGamingAmt>
        <CashPrizesOtherGamingAmt>10000</CashPrizesOtherGamingAmt>
        <VolunteerLaborOtherGamingInd>true</VolunteerLaborOtherGamingInd>
        <VolunteerLaborOtherGamingPct>0.20000</VolunteerLaborOtherGamingPct>
        <GrossRevenueTotalGamingAmt>41200</GrossRevenueTotalGamingAmt>
        <CashPrizesTotalGamingAmt>10000</CashPrizesTotalGamingAmt>
        <DirectExpenseSummaryGamingAmt>10000</DirectExpenseSummaryGamingAmt>
        <NetGamingIncomeSummaryAmt>31200</NetGamingIncomeSummaryAmt>
      </GamingInformationGrp>
      <StatesWhereGamingConductedCd>DC</StatesWhereGamingConductedCd>
      <LicensedInd>true</LicensedInd>
      <LicenseSuspendedEtcInd>false</LicenseSuspendedEtcInd>
      <GamingWithNonmembersInd>false</GamingWithNonmembersInd>
      <MemberOfOtherEntityInd>false</MemberOfOtherEntityInd>
      <IndividualWithBooksNm>Genevieve Courbois</IndividualWithBooksNm>
      <PersonsWithBooksUSAddress>
        <AddressLine1Txt>C/O The School</AddressLine1Txt>
        <CityNm>Washington</CityNm>
        <StateAbbreviationCd>DC</StateAbbreviationCd>
        <ZIPCd>20007</ZIPCd>
      </PersonsWithBooksUSAddress>
      <CntrctWith3rdPrtyForGameRevInd>false</CntrctWith3rdPrtyForGameRevInd>
      <GamingManagerPersonNm>Christine Lopez</GamingManagerPersonNm>
      <GamingManagerServicesProvTxt>Business Manager</GamingManagerServicesProvTxt>
      <GamingManagerIsEmployeeInd>X</GamingManagerIsEmployeeInd>
      <CharitableDistributionRqrInd>true</CharitableDistributionRqrInd>
      <DistributedAmt>31200</DistributedAmt>
    </IRS990ScheduleG>
    <IRS990ScheduleI documentId="IRS990ScheduleI-01" softwareId="19009670">
      <GrantRecordsMaintainedInd>true</GrantRecordsMaintainedInd>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>Financial aid</GrantTypeTxt>
        <RecipientCnt>56</RecipientCnt>
        <CashGrantAmt>0</CashGrantAmt>
        <NonCashAssistanceAmt>1010085</NonCashAssistanceAmt>
        <ValuationMethodUsedDesc>FMV</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>Financial aid</NonCashAssistanceDesc>
      </GrantsOtherAsstToIndivInUSGrp>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="IRS990ScheduleJ-01">
      <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>Nancy Mellon</PersonNm>
        <BaseCompensationFilingOrgAmt>237314</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
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        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>8277</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>7405</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>252996</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
    </IRS990ScheduleJ>
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      <TaxExemptBondsIssuesGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <IssuerName>
          <BusinessNameLine1Txt>District of Columbia bonds</BusinessNameLine1Txt>
        </IssuerName>
        <BondIssuerEIN>536001131</BondIssuerEIN>
        <CUSIPNum>000000000</CUSIPNum>
        <BondIssuedDt>2010-03-04</BondIssuedDt>
        <IssuePriceAmt>4000000</IssuePriceAmt>
        <PurposeDesc>Refinance school facilities</PurposeDesc>
        <DefeasedInd>false</DefeasedInd>
        <OnBehalfOfIssuerInd>false</OnBehalfOfIssuerInd>
        <PoolFinancingInd>false</PoolFinancingInd>
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      <TaxExemptBondsProceedsGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <RetiredAmt>0</RetiredAmt>
        <BondDefeasedAmt>0</BondDefeasedAmt>
        <TotalProceedsAmt>4000000</TotalProceedsAmt>
        <InReserveFundAmt>0</InReserveFundAmt>
        <CapitalizedInterestAmt>0</CapitalizedInterestAmt>
        <RefundingEscrowAmt>0</RefundingEscrowAmt>
        <IssuanceCostsFromProceedsAmt>92075</IssuanceCostsFromProceedsAmt>
        <CreditEnhancementAmt>0</CreditEnhancementAmt>
        <WorkingCapitalExpendituresAmt>0</WorkingCapitalExpendituresAmt>
        <CapitalExpendituresAmt>0</CapitalExpendituresAmt>
        <OtherSpentProceedsAmt>3907925</OtherSpentProceedsAmt>
        <UnspentAmt>0</UnspentAmt>
        <RefundingTaxExemptBondsInd>true</RefundingTaxExemptBondsInd>
        <RefundingTaxableBondsInd>false</RefundingTaxableBondsInd>
        <FinalAllocationMadeInd>true</FinalAllocationMadeInd>
        <AdequateBooksAndRecMaintInd>true</AdequateBooksAndRecMaintInd>
      </TaxExemptBondsProceedsGrp>
      <TaxExemptBondsPrivateBusUseGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <OwningBondFinancedPropertyInd>false</OwningBondFinancedPropertyInd>
        <AnyLeaseArrangementsInd>false</AnyLeaseArrangementsInd>
        <MgmtContractBondFincdPropInd>false</MgmtContractBondFincdPropInd>
        <AnyResearchAgreementsInd>false</AnyResearchAgreementsInd>
        <PrivateBusUseByOthersPct>0.00000</PrivateBusUseByOthersPct>
        <PrivateBusConcerningUBIPct>0.00000</PrivateBusConcerningUBIPct>
        <TotalPrivateBusinessUsePct>0.00000</TotalPrivateBusinessUsePct>
        <BondIssMeetPrvtSecPymtTestInd>true</BondIssMeetPrvtSecPymtTestInd>
        <ChangeInUseBondFinancedPropInd>false</ChangeInUseBondFinancedPropInd>
        <ChangeInUseBondFinancedPropPct>0.00000</ChangeInUseBondFinancedPropPct>
        <ProcsNonqualifiedBondRemdtdInd>false</ProcsNonqualifiedBondRemdtdInd>
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      <TaxExemptBondsArbitrageGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <Form8038TFiledInd>false</Form8038TFiledInd>
        <VariableRateIssueInd>false</VariableRateIssueInd>
        <HedgeIdentifiedInBksAndRecInd>false</HedgeIdentifiedInBksAndRecInd>
        <TermOfHedgePct>0.000000000000</TermOfHedgePct>
        <GrossProceedsInvestedInGICInd>false</GrossProceedsInvestedInGICInd>
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        <GrossProceedsInvestedInd>false</GrossProceedsInvestedInd>
        <WrittenProcToMonitorReqsInd>false</WrittenProcToMonitorReqsInd>
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      <ProceduresCorrectiveActionGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <ProceduresCorrectiveActionInd>false</ProceduresCorrectiveActionInd>
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      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>Rachel Mellon</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>Daughter of Head of School</RelationshipDescriptionTxt>
        <TransactionAmt>68835</TransactionAmt>
        <TransactionDesc>Salary and benefits as an employee</TransactionDesc>
        <SharingOfRevenuesInd>false</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>Will Mellon</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>Son of Head of School</RelationshipDescriptionTxt>
        <TransactionAmt>66900</TransactionAmt>
        <TransactionDesc>Salary and benefits as an employee</TransactionDesc>
        <SharingOfRevenuesInd>false</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
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    <IRS990ScheduleM documentId="IRS990ScheduleM-01">
      <SecuritiesPubliclyTradedGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>3</ContributionCnt>
        <NoncashContributionsRptF990Amt>111796</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>FMV</MethodOfDeterminingRevenuesTxt>
      </SecuritiesPubliclyTradedGrp>
      <OtherNonCashContriTableGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <Desc>Catering</Desc>
        <ContributionCnt>1</ContributionCnt>
        <NoncashContributionsRptF990Amt>5299</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>FMV</MethodOfDeterminingRevenuesTxt>
      </OtherNonCashContriTableGrp>
      <OtherNonCashContriTableGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <Desc>Capitalized legal fees</Desc>
        <ContributionCnt>1</ContributionCnt>
        <NoncashContributionsRptF990Amt>38028</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>FMV</MethodOfDeterminingRevenuesTxt>
      </OtherNonCashContriTableGrp>
      <AnyPropertyThatMustBeHeldInd>false</AnyPropertyThatMustBeHeldInd>
      <ReviewProcessUnusualNCGiftsInd>false</ReviewProcessUnusualNCGiftsInd>
      <ThirdPartiesUsedInd>false</ThirdPartiesUsedInd>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Pt VI, Line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>Persons covered by the conflict of interest policy will annually disclose to the President of the Board of Directors on a form provided by the Organization their interests that could give rise to conflicts of interest, such as a list of family members, substantial business or investment holdings, and other transactions or affiliations with businesses and other organizations or those of family members.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Pt VI, Line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>The River School makes the documents available upon request.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Pt VI, Line 15a</FormAndLineReferenceDesc>
        <ExplanationTxt>Compensation for the Head of School is reviewed annually</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Pt VI, Line 15b</FormAndLineReferenceDesc>
        <ExplanationTxt>by the Board of Trustees Executive Committee. Compensation percentage increases for all other employees are reviewed and approved by the Board Finance Committee and the Board of Trustees. All salary levels are compared against local independent school salary trends.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Pt XII, Line 2c</FormAndLineReferenceDesc>
        <ExplanationTxt>The Finance Committee has oversight over finances. The Finance Committee meets with the auditor to review the draft audit report and then present the final audit report to the Board. The Business Manager and the Head of Shool reviews the financial statements monthly. The Finance Committee reviews the financial statements quarterly.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Pt VI, Line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>The 990 tax return is reviewed by the Business Manager and the Finance Committee. The Finance Committee meets with the auditor to review the draft audit report and then presents the final audit report to the Board.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>