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        <BondReferenceCd>A</BondReferenceCd>
        <SubstantialCompletionYr>2016</SubstantialCompletionYr>
        <RefundingTaxExemptBondsInd>false</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>
        <BondIssMeetPrvtSecPymtTestInd>false</BondIssMeetPrvtSecPymtTestInd>
        <ChangeInUseBondFinancedPropInd>false</ChangeInUseBondFinancedPropInd>
        <ProcsNonqualifiedBondRemdtdInd>false</ProcsNonqualifiedBondRemdtdInd>
      </TaxExemptBondsPrivateBusUseGrp>
      <TaxExemptBondsArbitrageGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <Form8038TFiledInd>false</Form8038TFiledInd>
        <RebateNotDueYetInd>false</RebateNotDueYetInd>
        <ExceptionToRebateInd>false</ExceptionToRebateInd>
        <NoRebateDueInd>false</NoRebateDueInd>
        <VariableRateIssueInd>false</VariableRateIssueInd>
        <HedgeIdentifiedInBksAndRecInd>false</HedgeIdentifiedInBksAndRecInd>
        <GrossProceedsInvestedInGICInd>false</GrossProceedsInvestedInGICInd>
        <GrossProceedsInvestedInd>false</GrossProceedsInvestedInd>
        <WrittenProcToMonitorReqsInd>false</WrittenProcToMonitorReqsInd>
      </TaxExemptBondsArbitrageGrp>
      <ProceduresCorrectiveActionGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <ProceduresCorrectiveActionInd>false</ProceduresCorrectiveActionInd>
      </ProceduresCorrectiveActionGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PURPOSE OF ISSUE DESCRIPTION</FormAndLineReferenceDesc>
        <ExplanationTxt>ECONOMIC DEVELOPMENT AUTHORITY BONDS SCHOOL CONSTRUCTION REFINANCE OF CONSTRUCTION LOAN</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleK>
    <IRS990ScheduleO documentId="RetDoc9">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990</FormAndLineReferenceDesc>
        <ExplanationTxt>990 PAGE 1, LINE 1 (CONTINUED) RESULTS IN A PRODUCTIVE CITIZEN OF A GLOBAL COMMUNITY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART III</FormAndLineReferenceDesc>
        <ExplanationTxt>PART III, LINE 1, MISSION: RESULTS IN A PRODUCTIVE CITIZEN OF A GLOBAL COMMUNITY. PART III, LINE 4A, PROGRAM ACCOMPLISHMENTS (CONTINUED): INDIVIDUAL ASSISTANTS IN EACH KINDERGARTEN AND 1ST GRADE CLASS, SHARED ASSISTANTS IN EACH GRADE 2-4 STATE OF THE ART TECHNOLOGY EQUIPMENT WITH TECHNOLOGY INSTRUCTION BEGINNING IN KINDERGARTEN; 1:1 IPAD/TABLET PROGRAM IN GRADES 3-8 WEEKLY CURRICULUM INCLUDING ART, MUSIC, MEDIA CENTER, PHYSICAL EDUCATION, GUIDANCE, FRENCH AND/OR SPANISH CARNEGIE UNIT AVAILABLE IN ALGEBRA I AND FRENCH I OR SPANISH I FOR PROFICIENT 8TH GRADE STUDENTS FULL TIME DEAN OF STUDENTS AND CLINICAL CHILD PSYCHOLOGIST TWO FULL TIME LEARNING SPECIALIST AFTER-SCHOOL ACTIVITIES OFFERED (SEE FURTHER BELOW) VARIED SPORTS PROGRAMS OFFERED (SEE FURTHER BELOW) EXTENDED CARE AVAILABLE ON FULL SCHOOL DAYS UNTIL 5:45 OUR GRADUATES ENROLL IN AN OUTSTANDING VARIETY OF PUBLIC AND PRIVATE HIGH SCHOOLS. AFTERSCHOOL PROGRAMS ALTHOUGH THE MASON PREP SCHOOL DAY OFFICIALLY ENDS AT 3:05 P.M., MANY OPTIONS ARE AVAILABLE FOR STUDENTS AFTER SCHOOL. EXTENDED DAY OFFERED ON A FLEXIBLE AS-NEEDED BASIS, THE EXTENDED DAY PROGRAM PROVIDES A SUPERVISED ENVIRONMENT UNTIL 5:45 P.M., WITH TIME FOR HOMEWORK AS WELL AS FOR RECREATION. HOMEWORK HELP IS ALSO AVAILABLE IN STUDY HALL SESSIONS CONDUCTED BY STAFF MEMBERS. AFTERSCHOOL PROGRAMS MASON PREP WELCOMES THE OPPORTUNITY TO COORDINATE VARIOUS AFTERSCHOOL PROGRAMS WITH OUTSTANDING ORGANIZATIONS AND PROFESSIONALS. OUR PROGRAMS PROVIDE OUR STUDENTS IN EVERY GRADE WITH OPPORTUNITIES TO EXPAND THEIR HORIZONS THROUGH THE ARTS, ATHLETICS, CULTURE, MATH, SCIENCE, STRATEGY AND ENGINEERING. THE PARTICIPANTS ALSO CONTINUE TO DEVELOP SKILLS IN THE AREAS OF COMMUNICATION, PARTICIPATION, FAIR PLAY AND PERSISTENCE AS THE DIFFERENT ACTIVITIES BROADEN THE WORLD AROUND THEM. ATHLETICS THE MASON PREP FACULTY, STAFF, AND COACHES STRIVE TO DEVELOP THE WHOLE CHILD, AND OUR ATHLETIC PROGRAM PLAYS A SIGNIFICANT PART IN THIS EFFORT. OUR PROGRAM IS DESIGNED TO TEACH BASIC FUNDAMENTAL SKILLS AND THEN BUILD ON THOSE SKILLS AT APPROPRIATE AGE LEVELS. FUNDAMENTAL SKILLS AND STRATEGIES IN SEVERAL SPORTS CAN BE MASTERED IN THE EIGHT YEARS AT MASON PREP, AND ATHLETES WHO CONTINUE THROUGH THE MIDDLE SCHOOL YEARS CAN MAKE AN EASY TRANSITION TO HIGH SCHOOL SPORTS. MASON PREP ATHLETES ALSO LEARN THE MEANING OF HARD WORK, INTEGRITY, RESPONSIBILITY, COMMITMENT, AND SPORTSMANSHIP - CRITICALLY IMPORTANT TRAITS FOR EACH ATHLETE TO TAKE TO THE NEXT LEVEL OF SPORT AND INTO ADULTHOOD. MASON PREPS TEAMS TYPICALLY INVOLVE GRADES 4 - 8. WE PLAY AREA SCHOOLS, GIVING OUR CHILDREN AN OPPORTUNITY TO MAKE NEW FRIENDS THROUGH SPORT. VOLLEYBALL (GIRLS) IN THE FALL OF 2021, MASON PREP FIELDED THREE VOLLEYBALL TEAMS FOR GIRLS IN GRADES 5-8. THE VOLLEYBALL SEASON RUNS FROM SEPTEMBER TO MID-OCTOBER, WITH GAMES PLAYED THROUGH THE CITY OF CHARLESTON RECREATIONAL VOLLEYBALL LEAGUE. BASKETBALL (GIRLS AND BOYS) THE BASKETBALL PROGRAM RUNS FROM MID-OCTOBER THROUGH EARLY FEBRUARY. TENNIS (GIRLS AND BOYS, GRADES 4-8) - TENNIS SEASON TAKES PLACE IN THE SPRING WITH COMPETITIONS THROUGH THE CHARLESTON TENNIS CENTER. DEVELOPMENTAL SPORTS BEFORE STUDENTS ENTER A COMPETITIVE ARENA, DEVELOPMENTAL TEAMS ARE OFFERED IN BASKETBALL IN GRADES K - 3. THESE TEAMS PARTICIPATE IN INTRAMURAL SESSIONS WITH VOLUNTEER PARENT COACHES. RATHER THAN A WIN/LOSS RECORD, EACH INDIVIDUAL'S PERFORMING TO THE BEST OF HIS OR HER ABILITY AND DEVELOPMENT OF FUNDAMENTAL SKILLS ARE THE MASON PREP MEASURES OF SUCCESS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>A COPY OF THE FORM 990 IS PROVIDED TO THE BOARD OF DIRECTORS FOR A COMMENT AND REVIEW PERIOD. ONCE THIS REVIEW IS COMPLETE, THE FORM 990 IS FILED WITH THE INTERNAL REVENUE SERVICE AND APPROPRIATE STATE AGENCIES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ANNUALLY, NEW BOARD MEMBERS ARE REQUIRED TO DISCLOSURE ANY POSSIBLE CONFLICT OF INTEREST TO THE BOARD. THEREAFTER, THE MEMBERS ARE REQUIRED TO COMMUNICATE ANY CHANGES IN THIS STATUS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>THESE DECISIONS ARE MADE BY THE BOARD OF DIRECTORS THROUGH AN EVALUATION OF THIRD-PARTY INFORMATION, SALARY SURVEYS AND OTHER INFORMATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 15B</FormAndLineReferenceDesc>
        <ExplanationTxt>THESE DECISIONS ARE MADE BY THE BOARD OF DIRECTORS THROUGH AN EVALUATION OF THIRD-PARTY INFORMATION, SALARY SURVEYS AND OTHER INFORMATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PAGE 6, PART VI, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>DOCUMENTS ARE MADE AVAILABLE FOR INSPECTION UPON REQUEST IN THE SCHOOL'S MAIN OFFICE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9</FormAndLineReferenceDesc>
        <ExplanationTxt>FINANCIAL AID -219,256 BAD DEBTS -9,156 FINANCIAL AID 219,256 TOTAL -9,156</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc10">
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>MASON PREPARATORY SCHOOL FOUNDATION</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>56 HALSEY BOULEVARD</AddressLine1Txt>
          <CityNm>CHARLESTON</CityNm>
          <StateAbbreviationCd>SC</StateAbbreviationCd>
          <ZIPCd>29401</ZIPCd>
        </USAddress>
        <EIN>472755337</EIN>
        <PrimaryActivitiesTxt>FOUNDATION</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>SC</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501C3</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>12A</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>MASON PREP</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
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      <ReceiptOfIntAnntsRntsRyltsInd>false</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>false</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>true</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>false</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>false</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>false</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>false</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>false</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>false</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>false</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>false</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>false</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>false</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>true</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>false</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>false</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>false</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>false</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>false</TransferFromOtherOrgInd>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>MASON PREPARATORY SCHOOL FOUNDATION</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>C</TransactionTypeTxt>
        <InvolvedAmt>549507</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>COST BASIS</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE R</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MASON PREP FOUNDATION IS THE FUNDRAISING ARM OF MASON PREP SCHOOL. THE FOUNDATIONS EFFORTS RAISE FUNDS TO ENABLE MASON PREP SCHOOL TO PROVIDE FINANCIAL AID TO QUALIFIED MASON PREP STUDENTS, PROMOTE THE DEVELOPMENT OF MASON PREP'S FACULTY/STAFF, AND ENHANCE AND IMPROVE MASON PREP'S FACILITIES AND ITS EDUCATIONAL PROGRAMS. THE FUNDRAISING INITIATIVES OF THE FOUNDATION INCLUDE THE MASON PREP ANNUAL FUND, SPECIAL EVENTS, MAJOR GIFT INITIATIVES, AND FUTURE CAPITAL CAMPAIGNS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleR>
  </ReturnData>
</Return>