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        <EOYAmt>455231</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <DeferredRevenueGrp>
        <BOYAmt>13936395</BOYAmt>
        <EOYAmt>22736820</EOYAmt>
      </DeferredRevenueGrp>
      <OtherLiabilitiesGrp>
        <BOYAmt>52350</BOYAmt>
        <EOYAmt>165019</EOYAmt>
      </OtherLiabilitiesGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>14507769</BOYAmt>
        <EOYAmt>23357070</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>11589140</BOYAmt>
        <EOYAmt>1806900</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>11589140</BOYAmt>
        <EOYAmt>1806900</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>26096909</BOYAmt>
        <EOYAmt>25163970</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>-9782240</ReconcilationRevenueExpnssAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
      <AcctCompileOrReviewBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </AcctCompileOrReviewBasisGrp>
      <FSAuditedInd>true</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>true</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>true</FederalGrantAuditRequiredInd>
      <FederalGrantAuditPerformedInd>true</FederalGrantAuditPerformedInd>
    </IRS990>
    <IRS990ScheduleA documentId="IRS990ScheduleA">
      <SchoolInd>X</SchoolInd>
    </IRS990ScheduleA>
    <IRS990ScheduleD documentId="IRS990ScheduleD">
      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>15206513</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>6196520</DepreciationAmt>
        <BookValueAmt>9009993</BookValueAmt>
      </BuildingsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>2844834</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>1190132</DepreciationAmt>
        <BookValueAmt>1654702</BookValueAmt>
      </EquipmentGrp>
      <TotalBookValueLandBuildingsAmt>10664695</TotalBookValueLandBuildingsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>OTHER PAYABLES</Desc>
        <Amt>165019</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>165019</TotalLiabilityAmt>
    </IRS990ScheduleD>
    <IRS990ScheduleE documentId="IRS990ScheduleE">
      <NondiscriminatoryPolicyStmtInd>false</NondiscriminatoryPolicyStmtInd>
      <PolicyStmtInBrochuresEtcInd>false</PolicyStmtInBrochuresEtcInd>
      <PlcyPblczdViaBroadcastMediaInd>false</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>true</GovernmentFinancialAidRcvdInd>
      <GovernmentFinancialAidRvkdInd>false</GovernmentFinancialAidRvkdInd>
      <ComplianceWithRevProc7550Ind>true</ComplianceWithRevProc7550Ind>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Governmental Agency Financial Aid (Questions 6a</FormAndLineReferenceDesc>
        <ExplanationTxt>NO REVOCATION OF AWARDS</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleE>
    <IRS990ScheduleO documentId="IRS990ScheduleO">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Governing body decisions Part VI line 7b</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BUSINESS AND CLAIMS COMMITTEE IS THE DAY TO DAY GOVERNING BODY OF THE YANKTON SIOUX TRIBE AND IS ELECTED BY AND ANSWERABLE TO THE GENERAL COUNCIL OF THE YANKTON SIOUX TRIBE. THEY ARE CURRENTLY ALSO ACTING AS THE SCHOOL BOARD.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990 governing body review Part VI line 11</FormAndLineReferenceDesc>
        <ExplanationTxt>COPIES OF RETURN ARE AVAILABLE FOR ALL MEMBERS</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Governing documents etc available to public Part VI line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ANNUAL AUDIT IS MADE PUBLIC THROUGH THE FEDERAL AUDIT CLEARINGHOUSE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Not undergone required audits or steps for audit Part XII line 3b</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SCHOOL HAS COMPLIED WITH AUDIT REQUIREMENTS AND THE REQUIRED AUDITS HAVE BEEN COMPLETED.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>