| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 522158 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 585116 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 52633 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 23003 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | THE ACADEMY IS A STUDENT-CENTERED, COLLEGE PREPARATORY, DAY ACADEMY FOR PRE-KINDERGARTEN THROUGH TWELFTH GRADE |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 139829 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 139829 |
| IRS990/AllOtherContributionsAmt | 0 | 628077 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 21384 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 189387 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 38080 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 248851 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | MARY JANE KEOUGH DIRECTOR OF OPERATIONS AND FINANCE |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 5084285400 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 50 OSTERVILLE-WBARNSTABLE ROAD |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | OSTERVILLE |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | MA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 02655 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 2 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 1 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 165193 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 110422 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 217 CLINTON AVENUE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | 10 COMMERCE WAY 8 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | FALMOUTH |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | RAYNHAM |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | MA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | MA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 025403810 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 02767 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | HUTKER ARCHITECTS INC |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | UNIFIED NETWORKING SOLUTIONS |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | ARCHITECTS |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | IT CONSULTANTS |
| IRS990/ContriRptFundraisingEventAmt | 0 | 32735 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 660812 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 1553969 |
| IRS990/CYInvestmentIncomeAmt | 0 | 570734 |
| IRS990/CYOtherExpensesAmt | 0 | 2287497 |
| IRS990/CYOtherRevenueAmt | 0 | 109045 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 6269882 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -1290225 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 5059232 |
| IRS990/CYTotalExpensesAmt | 0 | 8900698 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 344118 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 7610473 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 1 |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 932254 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 1048081 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/FundraisingAmt | 0 | 26123 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 66476 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 520516 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 613115 |
| IRS990/Desc | 0 | THE ACADEMY NURTURES STUDENTS' INDIVIDUAL TALENTS AND CURIOSITIES AND OFFERS MULTIPLE OPPORTUNITIES FOR SELF-DIRECTED STUDY, SERVICE, AND LEADERSHIP. THE ACADEMY OFFERS A FULL PRE-K THROUGH 12 EDUCATION WITH A FOCUS ON EARLY CHILDHOOD DEVELOPMENT, ART AND MUSIC, AP CLASSES, SERVICE & ENTREPRENEURSHIP AND MORE. THE INTEGRATED CURRICULUM THROUGHOUT CAPE COD ACADEMY'S LOWER, MIDDLE AND UPPER SCHOOLS ALLOWS OUR STUDENTS TO STRETCH THEIR POTENTIAL. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 155 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 6108602 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 28945 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 28945 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 70383 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 70383 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 3812 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 19706 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 23518 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt | 0 | 17987 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 17987 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 60.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 9 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 10 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 11 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 12 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 13 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 62839 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 15 | 11263 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | DAVID MCGRAW |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | ROGER BOOCOCK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | PATRICK J FORAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | ELLEN KINLIN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | JAMES HOECK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | SONYA P MITCHELL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | MICHAEL KAYAJAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | MICHAEL BENOIT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | KAREN RAUSS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | DAVID SOUZA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | HOLLY HOYT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | CHARLENE HOLLAND |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | LARRY DRAGO |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | KAREN BAILEYCO-CHAIRPARENTS ASSOC |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | PHILLIP P PETRU |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | CATHERINE CETTA |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 208004 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 116550 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | CHAIRMAN |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | VICE CHAIRMAN |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | TRUSTEE- EX OFFICIO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | HEAD OF SCHOOL/EX-OFFICIO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | ASSOCIATE HEAD OF SCHOOL |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1976 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 1 |
| IRS990/FundraisingAmt | 0 | 32735 |
| IRS990/FundraisingDirectExpensesAmt | 0 | 22309 |
| IRS990/FundraisingGrossIncomeAmt | 0 | 54320 |
| IRS990/GainOrLossGrp/OtherAmt | 0 | -18989 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 549966 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 15 |
| IRS990/GrantAmt | 0 | 1553969 |
| IRS990/GrantsToDomesticIndividualsGrp/ProgramServicesAmt | 0 | 1553969 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 1553969 |
| IRS990/GrantsToIndividualsInd | 0 | 1 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/OtherAmt | 0 | 11790 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 3311402 |
| IRS990/GrossReceiptsAmt | 0 | 10424997 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 15 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 2 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 38927 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 4342 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 43269 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 128001 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 128001 |
| IRS990/InterestGrp/ManagementAndGeneralAmt | 0 | 17321 |
| IRS990/InterestGrp/TotalAmt | 0 | 17321 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 39757 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 39757 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 2215365 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 815405 |
| IRS990/IRPDocumentCnt | 0 | 4 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 8711304 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 15086976 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 14525063 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 23236367 |
| IRS990/LegalDomicileStateCd | 0 | MA |
| IRS990/LessCostOthBasisSalesExpnssGrp/OtherAmt | 0 | 30779 |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 2761436 |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 0 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MiscellaneousRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 681 |
| IRS990/MiscellaneousRevenueGrp/TotalRevenueColumnAmt | 0 | 681 |
| IRS990/MissionDesc | 0 | THE ACADEMY IS A NON-PROFIT CORPORATION LOCATED IN OSTERVILLE MA. THE ACADEMY WAS ORGANIZED IN 1976 AND INCORPORATED UNDER THE LAWS OF THE COMMONWEALTH OF MASSACHUSETTS. THE ACADEMY IS A STUDENT-CENTERED, COLLEGE PREPARATORY, DAY ACADEMY FOR PRE-KINDERGARTEN THROUGH TWELFTH GRADE WHOSE MISSION IS THE PURSUIT OF ACADEMIC EXCELLENCE AND THE DEVELOPMENT OF LIFE SKILLS IN A SAFE AND VALUES-CENTERED COMMUNITY. THE ACADEMY ENCOURAGES STUDENTS TO KNOW THEMSELVES, TO BE CURIOUS ABOUT OTHERS, AND TO LIVE BY 4 VALUES: HONESTY, COMPASSION, RESPECT AND SCHOLARSHIP. THE ACADEMY NURTURES STUDENTS' INDIVIDUAL TALENTS AND CURIOSITIES AND OFFERS MULTIPLE OPPORTUNITIES FOR SELF-DIRECTED STUDY, SERVICE, AND LEADERSHIP. THE ACADEMY OFFERS A FULL PRE-K THROUGH 12 EDUCATION WITH A FOCUS ON EARLY CHILDHOOD DEVELOPMENT, ART AND MUSIC, AP CLASSES, SERVICE & ENTREPRENEURSHIP AND MORE. THE INTEGRATED CURRICULUM THROUGHOUT ACADEMY'S LOWER, MIDDLE AND UPPER SCHOOL ALLOWS OUR STUDENTS TO STRECH THEIR POTENTIAL. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 1 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/BOYAmt | 0 | 685000 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/EOYAmt | 0 | 183000 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 15939882 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 14140049 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 530977 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 530977 |
| IRS990/NetIncmFromFundraisingEvtGrp/ExclusionAmt | 0 | 32011 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | 32011 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | -509608 |
| IRS990/NoncashContributionsAmt | 0 | 648406 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 180212 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 180212 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 11881 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 31173 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 7313 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 50367 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 37047 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 171528 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 214111 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 422686 |
| IRS990/OtherExpensesGrp/Desc | 0 | GENERAL INSTRUCTION |
| IRS990/OtherExpensesGrp/Desc | 1 | REPAIRS AND MAINTENANCE |
| IRS990/OtherExpensesGrp/Desc | 2 | STUDENT SERVICES |
| IRS990/OtherExpensesGrp/Desc | 3 | HOST FAMILY EXPENSES |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 305000 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 218120 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 174079 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 3 | 28500 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 305000 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 218120 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 174079 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 28500 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 0 | 611110 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 1 | 611110 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 2 | 611110 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | RENTAL INCOME |
| IRS990/OtherRevenueMiscGrp/Desc | 1 | OTHER UNRESTRICTED REVENUE |
| IRS990/OtherRevenueMiscGrp/Desc | 2 | SCHOOL STORE REVENUE |
| IRS990/OtherRevenueMiscGrp/ExclusionAmt | 0 | 61219 |
| IRS990/OtherRevenueMiscGrp/RelatedOrExemptFuncIncomeAmt | 0 | 8708 |
| IRS990/OtherRevenueMiscGrp/RelatedOrExemptFuncIncomeAmt | 1 | 6426 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 61219 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 1 | 8708 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 2 | 6426 |
| IRS990/OtherRevenueTotalAmt | 0 | 77034 |
| IRS990/OtherSalariesAndWagesGrp/FundraisingAmt | 0 | 225668 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 1405262 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 2596556 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 4227486 |
| IRS990/OthNotesLoansReceivableNetGrp/BOYAmt | 0 | 117650 |
| IRS990/OthNotesLoansReceivableNetGrp/EOYAmt | 0 | 129344 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 15422 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 96308 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 196494 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 308224 |
| IRS990/PensionPlanContributionsGrp/FundraisingAmt | 0 | 6593 |
| IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt | 0 | 42639 |
| IRS990/PensionPlanContributionsGrp/ProgramServicesAmt | 0 | 51604 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 100836 |
| IRS990/PermanentlyRstrNetAssetsGrp/BOYAmt | 0 | 176916 |
| IRS990/PermanentlyRstrNetAssetsGrp/EOYAmt | 0 | 177011 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 3050 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 95051 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 145771 |
| IRS990/PrincipalOfficerNm | 0 | MR JAMES T HOECK |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 611110 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 1 | 611110 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | TUITION AND FEES, NET |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | OTHER STUDENT SERVICES |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 6057958 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 1 | 211924 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 6057958 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 211924 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 592081 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 1558618 |
| IRS990/PYInvestmentIncomeAmt | 0 | 135440 |
| IRS990/PYOtherExpensesAmt | 0 | 3013278 |
| IRS990/PYOtherRevenueAmt | 0 | 90053 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 7409597 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -1273209 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 4928484 |
| IRS990/PYTotalExpensesAmt | 0 | 9500380 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 8227171 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -1290225 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 0 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 0 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/RevenueAmt | 0 | 6285697 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 511619 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 314610 |
| IRS990ScheduleA/SchoolInd | 0 | X |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorNum | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine2 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt | 0 | RESTRICTED |
| IRS990/ScheduleBRequiredInd | 0 | 1 |
| IRS990ScheduleD/BoardDesignatedBalanceEOYPct | 0 | 0.77400 |
| IRS990ScheduleD/BuildingsGrp/BookValueAmt | 0 | 10585435 |