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      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
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      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <CntrctRcvdGreaterThan100KCnt>0</CntrctRcvdGreaterThan100KCnt>
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      <AllOtherContributionsAmt>2987434</AllOtherContributionsAmt>
      <TotalContributionsAmt>3116946</TotalContributionsAmt>
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        <Desc>TUITION</Desc>
        <BusinessCd>611710</BusinessCd>
        <TotalRevenueColumnAmt>12187656</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>12187656</RelatedOrExemptFuncIncomeAmt>
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      <ProgramServiceRevenueGrp>
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        <BusinessCd>611710</BusinessCd>
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        <RelatedOrExemptFuncIncomeAmt>1607767</RelatedOrExemptFuncIncomeAmt>
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        <Desc>STUDENT ACTIVITIES</Desc>
        <BusinessCd>611710</BusinessCd>
        <TotalRevenueColumnAmt>36295</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>36295</RelatedOrExemptFuncIncomeAmt>
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        <TotalRevenueColumnAmt>2682026</TotalRevenueColumnAmt>
        <ExclusionAmt>2682026</ExclusionAmt>
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        <SecuritiesAmt>21702082</SecuritiesAmt>
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        <ManagementAndGeneralAmt>173054</ManagementAndGeneralAmt>
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        <ManagementAndGeneralAmt>74140</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>62961</ProgramServicesAmt>
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        <ProgramServicesAmt>1097207</ProgramServicesAmt>
        <ManagementAndGeneralAmt>18593</ManagementAndGeneralAmt>
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        <TotalAmt>15168</TotalAmt>
        <ManagementAndGeneralAmt>15168</ManagementAndGeneralAmt>
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        <ManagementAndGeneralAmt>25707</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>1356061</ProgramServicesAmt>
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        <TotalAmt>184865</TotalAmt>
        <ManagementAndGeneralAmt>184865</ManagementAndGeneralAmt>
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        <Desc>STUDENT PROGRAMS</Desc>
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        <ProgramServicesAmt>1034921</ProgramServicesAmt>
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      <OtherExpensesGrp>
        <Desc>REPAIRS AND MAINTENANCE</Desc>
        <TotalAmt>271771</TotalAmt>
        <ProgramServicesAmt>271771</ProgramServicesAmt>
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      <OtherExpensesGrp>
        <Desc>PUBLIC RELATIONS</Desc>
        <TotalAmt>240349</TotalAmt>
        <ManagementAndGeneralAmt>240349</ManagementAndGeneralAmt>
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      <OtherExpensesGrp>
        <Desc>DINING ROOM</Desc>
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        <ProgramServicesAmt>182123</ProgramServicesAmt>
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        <TotalAmt>890237</TotalAmt>
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        <ManagementAndGeneralAmt>146753</ManagementAndGeneralAmt>
        <FundraisingAmt>114997</FundraisingAmt>
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        <ProgramServicesAmt>15875333</ProgramServicesAmt>
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        <EOYAmt>60139668</EOYAmt>
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        <EOYAmt>339532</EOYAmt>
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        <EOYAmt>6581711</EOYAmt>
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        <EOYAmt>88813696</EOYAmt>
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        <EOYAmt>1205947</EOYAmt>
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        <EOYAmt>368232</EOYAmt>
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        <EOYAmt>2735294</EOYAmt>
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      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
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        <EOYAmt>34636470</EOYAmt>
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      <DonorRestrictionNetAssetsGrp>
        <BOYAmt>49235139</BOYAmt>
        <EOYAmt>51441932</EOYAmt>
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      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>82536400</BOYAmt>
        <EOYAmt>86078402</EOYAmt>
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      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>84967213</BOYAmt>
        <EOYAmt>88813696</EOYAmt>
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      <ReconcilationRevenueExpnssAmt>4303332</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>-761330</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
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    <IRS990ScheduleA documentId="RetDoc1039100001">
      <SchoolInd>X</SchoolInd>
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      <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>
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        <ContributionsAmt>1458268</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>4611151</InvestmentEarningsOrLossesAmt>
        <GrantsOrScholarshipsAmt>1952421</GrantsOrScholarshipsAmt>
        <EndYearBalanceAmt>60939632</EndYearBalanceAmt>
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      <CYMinus1YrEndwmtFundGrp>
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        <ContributionsAmt>1200000</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>6320883</InvestmentEarningsOrLossesAmt>
        <GrantsOrScholarshipsAmt>1612520</GrantsOrScholarshipsAmt>
        <EndYearBalanceAmt>56822634</EndYearBalanceAmt>
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        <ContributionsAmt>1204000</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>4200947</InvestmentEarningsOrLossesAmt>
        <GrantsOrScholarshipsAmt>1455521</GrantsOrScholarshipsAmt>
        <EndYearBalanceAmt>50914271</EndYearBalanceAmt>
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      <CYMinus3YrEndwmtFundGrp>
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        <InvestmentEarningsOrLossesAmt>7117948</InvestmentEarningsOrLossesAmt>
        <GrantsOrScholarshipsAmt>1610522</GrantsOrScholarshipsAmt>
        <EndYearBalanceAmt>46964845</EndYearBalanceAmt>
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        <GrantsOrScholarshipsAmt>1112221</GrantsOrScholarshipsAmt>
        <EndYearBalanceAmt>54090352</EndYearBalanceAmt>
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      <TermEndowmentBalanceEOYPct>0.05820</TermEndowmentBalanceEOYPct>
      <EndowmentsHeldUnrelatedOrgInd>0</EndowmentsHeldUnrelatedOrgInd>
      <EndowmentsHeldRelatedOrgInd>0</EndowmentsHeldRelatedOrgInd>
      <LandGrp>
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        <BookValueAmt>510204</BookValueAmt>
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      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>31874893</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>18924926</DepreciationAmt>
        <BookValueAmt>12949967</BookValueAmt>
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      <LeaseholdImprovementsGrp>
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        <DepreciationAmt>5046383</DepreciationAmt>
        <BookValueAmt>2788071</BookValueAmt>
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      <EquipmentGrp>
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        <DepreciationAmt>2169705</DepreciationAmt>
        <BookValueAmt>482943</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>4124104</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>2603487</DepreciationAmt>
        <BookValueAmt>1520617</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>18251802</TotalBookValueLandBuildingsAmt>
      <OtherAssetsOrgGrp>
        <Desc>INDEFINITE TERM RECEIVABLE</Desc>
        <BookValueAmt>6503641</BookValueAmt>
      </OtherAssetsOrgGrp>
      <OtherAssetsOrgGrp>
        <Desc>ACCRUED INVESTMENT INCOME</Desc>
        <BookValueAmt>78070</BookValueAmt>
      </OtherAssetsOrgGrp>
      <TotalBookValueOtherAssetsAmt>6581711</TotalBookValueOtherAssetsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>EQUIPMENT CONTRACTS PAYABLE</Desc>
        <Amt>368232</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>368232</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>19901440</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>-761330</NetUnrealizedGainsInvstAmt>
      <OtherRevenueAmt>277166</OtherRevenueAmt>
      <RevenueNotReportedAmt>-484164</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>20385604</RevenueSubtotalAmt>
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      <OtherRevenuesNotIncludedAmt>3306661</OtherRevenuesNotIncludedAmt>
      <RevenueNotReportedFinclStmtAmt>3479715</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>23865319</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>16359438</TotExpnsEtcAuditedFinclStmtAmt>
      <OtherExpensesIncludedAmt>277166</OtherExpensesIncludedAmt>
      <ExpensesNotReportedAmt>277166</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>16082272</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>173054</InvestmentExpensesNotIncld2Amt>
      <OtherExpensesNotIncludedAmt>3306661</OtherExpensesNotIncludedAmt>
      <ExpensesNotRptFinclStmtAmt>3479715</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>19561987</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SCHOOL'S ENDOWMENTS CONSIST OF EIGHT FUNDS ESTABLISHED TO SUPPORT A VARIETY OF SCHOLARSHIPS AT THE SCHOOL. ITS ENDOWMENTS CONSIST OF BOTH DONOR-RESTRICTED ENDOWMENT FUNDS AND FUNDS DESIGNATED BY THE BOARD OF TRUSTEES (BOARD) TO FUNCTION AS ENDOWMENTS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>NO PROVISION OR BENEFIT FOR INCOME TAXES HAS BEEN INCLUDED IN THESE FINANCIAL STATEMENTS SINCE THE SCHOOL IS EXEMPT FROM INCOME TAXES UNDER SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE. THE ORGANIZATION BELIEVES THAT IS HAS APPROPRIATE SUPPORT FOR ANY POSITIONS TAKEN, AND AS SUCH, DOES NOT HAVE ANY UNCERTAIN TAX POSITIONS THAT ARE MATERIAL TO THE FINANCIAL STATEMENTS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>MANAGEMENT AND GENERAL - PRAIRIE PREMIERE EXPENSES 212,360. MANAGEMENT AND GENERAL - GOLF CLASSIC EXPENSES 64,806.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>FINANCIAL AID 3,306,661.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>MANAGEMENT AND GENERAL - PRAIRIE PREMIERE EXPENSES 212,360. MANAGEMENT AND GENERAL - GOLF CLASSIC EXPENSES 64,806.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>FINANCIAL AID 3,306,661.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
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      <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>THE FOLLOWING IS THE STATEMENT ON NON-DISCRIMINATION THAT APPEARS ON THE SCHOOL'S PUBLICATIONS: " THE PRAIRIE SCHOOL ADMITS STUDENTS OF ANY RACE, COLOR, NATIONALITY, RELIGIOUS AND ETHNIC ORIGIN AND DOES NOT DISCRIMINATE IN ANY FORM OR CONTEXT ON THE BASIS OF ORIGIN OR SEX."</ExplanationTxt>
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        <GrossRevenueEvent1Amt>303468</GrossRevenueEvent1Amt>
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        <CharitableContriEvent2Amt>16695</CharitableContriEvent2Amt>
        <GrossRevenueEvent2Amt>149673</GrossRevenueEvent2Amt>
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        <FoodAndBeverageEvent2Amt>21886</FoodAndBeverageEvent2Amt>
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        <GrossRevenueTotalEventsAmt>453141</GrossRevenueTotalEventsAmt>
        <CashPrizesTotalEventsAmt>2090</CashPrizesTotalEventsAmt>
        <FoodAndBeverageTotalEventsAmt>92093</FoodAndBeverageTotalEventsAmt>
        <EntertainmentTotalEventsAmt>5500</EntertainmentTotalEventsAmt>
        <OthDirectExpnssTotalEventsAmt>172536</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>272219</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>180922</NetIncomeSummaryAmt>
      </FundraisingEventInformationGrp>
    </IRS990ScheduleG>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>FINANCIAL AID</GrantTypeTxt>
        <RecipientCnt>304</RecipientCnt>
        <CashGrantAmt>3306661</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <ClubDuesOrFeesInd>X</ClubDuesOrFeesInd>
      <WrittenPolicyRefTAndEExpnssInd>0</WrittenPolicyRefTAndEExpnssInd>
      <SubstantiationRequiredInd>0</SubstantiationRequiredInd>
      <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>0</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>NATHANIEL COFFMAN</PersonNm>
        <TitleTxt>PRESIDENT/HEAD OF SCHOOL</TitleTxt>
        <BaseCompensationFilingOrgAmt>401463</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>31488</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>14278</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>447229</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>STEVEN JOOST</PersonNm>
        <TitleTxt>ASST. SECRETARY/TREASURER</TitleTxt>
        <BaseCompensationFilingOrgAmt>183602</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>14378</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>13458</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>211438</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART 1, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PRAIRIE SCHOOL PAID $13,593 FOR A SOCIAL CLUB MEMBERSHIP FOR ITS HEAD OF SCHOOL SO THAT HE CAN ENTERTAIN VOLUNTEERS AND DONORS. THE CLUB MEMBERSHIP IS NEEDED FOR HIS LEADERSHIP ROLE TO ADVANCE THE INSTITUTION.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleL documentId="RetDoc1042800001">
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>HELEN JOHNSON- LEIPOLD</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>TRUSTEE</RelationshipDescriptionTxt>
        <TransactionAmt>173054</TransactionAmt>
        <SharingOfRevenuesInd>0</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCH L, PART IV, BUSINESS TRANSACTIONS INVOLVING INTEREST PERSONS:</FormAndLineReferenceDesc>
        <ExplanationTxt>(A) NAME OF PERSON: HELEN JOHNSON-LEIPOLD(D) DESCRIPTION OF TRANSACTION: HELEN JOHNSON-LEIPOLD IS THE CHAIRMAN OF JOHNSON FINANCIAL GROUP WHO HOLDS THE PRAIRIE SCHOOL, INC.'S ("PRAIRIE") ENDOWMENT INVESTMENTS. PRAIRIE PAID JOHNSON FINANCIAL GROUP FEES TO MANAGE THE ENDOWMENT INVESTMENTS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleL>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>A COPY OF THE 990 IS MADE AVAILABLE TO ALL BOARD MEMBERS WHO ARE THEN INVITED TO REVIEW IT WITH THE FINANCE COMMITTEE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>POLICY IS MONITORED BY BOARD SECRETARY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>COMPARATIVE DATA FROM COMPARABLE ORGANIZATIONS IS OBTAINED TO DETERMINE COMPENSATION. EXECUTIVE COMMITTEE REVIEWS THIS AND DETERMINES HEAD OF SCHOOL/PRESIDENT COMPENSATION. HEAD OF SCHOOL DETERMINES COMPENSATION OF ALL OTHER EMPLOYEES. THIS PROCESS LAST TOOK PLACE IN 2025.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION MAKES ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>