| IRS990/AccountantCompileOrReviewInd | 0 | false |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 5219 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 5373 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 3 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | Preschool instruction for children |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 110 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 110 |
| IRS990/AllOtherContributionsAmt | 0 | 28023 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 3082 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 3082 |
| IRS990/AmendedReturnInd | 0 | X |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | SUZANNE GREGOIRE |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 2063620400 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | THE HIGHLANDS |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | SEATTLE |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | WA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 98177 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 73119 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 99098 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | false |
| IRS990/CompensationProcessOtherInd | 0 | false |
| IRS990/ConflictOfInterestPolicyInd | 0 | false |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/ContriRptFundraisingEventAmt | 0 | 8816 |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 36839 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 17 |
| IRS990/CYOtherExpensesAmt | 0 | 85406 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 227644 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 21864 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 157230 |
| IRS990/CYTotalExpensesAmt | 0 | 242636 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 264500 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | true |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 31488 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 29690 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 14066 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 14066 |
| IRS990/Desc | 0 | The Highlands School provides the environment and experience to promote creative thinking and self discovery for preschool children. There were 29 students enrolled at the school this year. Tuition and fees are received for preschool instruction and activities. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | false |
| IRS990/DoingBusinessAsName/BusinessNameLine1Txt | 0 | co SARAH LOVEJOY |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | true |
| IRS990/EmployeeCnt | 0 | 6 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | true |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 241524 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 1112 |
| IRS990/FeesForServicesAccountingGrp/ProgramServicesAmt | 0 | 2009 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 3121 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 0.00 |
| 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/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/PersonNm | 0 | Sarah Lovejoy |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | Thatcher Milholland |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | Tim Kirley |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | Gordon Hodge |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | Stephanie Pryor |
| 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/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/TitleTxt | 0 | Treasurer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | Secretary |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | Vice President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | Vice President |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | false |
| IRS990/FormationYr | 0 | 1974 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/FundraisingAmt | 0 | 8816 |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 4 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 264500 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 0 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 8495 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 8495 |
| IRS990/InterestGrp/ProgramServicesAmt | 0 | 82 |
| IRS990/InterestGrp/TotalAmt | 0 | 82 |
| IRS990/InvestmentIncomeGrp/RelatedOrExemptFuncIncomeAmt | 0 | 17 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 17 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/IRPDocumentCnt | 0 | 4 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 131481 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 240677 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 235309 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 366790 |
| IRS990/LegalDomicileStateCd | 0 | WA |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingCashInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | Preschool instruction for children |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 453799 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 475663 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 453799 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 475663 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 41502 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 41502 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 3144 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 3144 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 5400 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 5400 |
| IRS990/OtherExpensesGrp/Desc | 0 | Activity |
| IRS990/OtherExpensesGrp/Desc | 1 | Bank Charges |
| IRS990/OtherExpensesGrp/Desc | 2 | Education |
| IRS990/OtherExpensesGrp/Desc | 3 | Supplies |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 1558 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 168 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 1200 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 3 | 8878 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 1558 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 168 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 1200 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 8878 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 139630 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 139630 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 12200 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 12200 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
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| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 6320 |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 611600 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | Tuition and Fees |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 227644 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 227644 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 32914 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYInvestmentIncomeAmt | 0 | -2013 |
| IRS990/PYOtherExpensesAmt | 0 | 79328 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 185001 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 20102 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 116472 |
| IRS990/PYTotalExpensesAmt | 0 | 195800 |
| IRS990/PYTotalRevenueAmt | 0 | 215902 |
| IRS990/QuidProQuoContributionsInd | 0 | true |
| IRS990/QuidProQuoContriDisclInd | 0 | true |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 21864 |
| IRS990/RelatedEntityInd | 0 | true |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | true |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | true |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RevenueAmt | 0 | 227644 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 169982 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 169999 |
| IRS990ScheduleA/SchoolInd | 0 | X |
| IRS990/ScheduleBRequiredInd | 0 | false |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 32475 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 31271 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 63746 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/BookValueAmt | 0 | 202834 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/DepreciationAmt | 0 | 92095 |
| IRS990ScheduleD/LeaseholdImprovementsGrp/OtherCostOrOtherBasisAmt | 0 | 294929 |
| IRS990ScheduleD/OtherLandBuildingsGrp/DepreciationAmt | 0 | 8115 |
| IRS990ScheduleD/OtherLandBuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 8115 |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 235309 |
| IRS990ScheduleE/ComplianceWithRevProc7550Ind | 0 | true |
| IRS990ScheduleE/DiscriminateRaceAdmissPlcyInd | 0 | false |
| IRS990ScheduleE/DiscriminateRaceAthltProgInd | 0 | false |
| IRS990ScheduleE/DiscriminateRaceEducPlcyInd | 0 | false |
| IRS990ScheduleE/DiscriminateRaceEmplmFcultyInd | 0 | false |
| IRS990ScheduleE/DiscriminateRaceOtherActyInd | 0 | false |
| IRS990ScheduleE/DiscriminateRaceSchsInd | 0 | false |
| IRS990ScheduleE/DiscriminateRaceStdntsRghtsInd | 0 | false |
| IRS990ScheduleE/DiscriminateRaceUseOfFcltsInd | 0 | false |
| IRS990ScheduleE/GovernmentFinancialAidRcvdInd | 0 | false |
| IRS990ScheduleE/GovernmentFinancialAidRvkdInd | 0 | false |
| IRS990ScheduleE/MaintainCpyOfAllSolInd | 0 | true |
| IRS990ScheduleE/MaintainCpyOfBrochuresEtcInd | 0 | true |
| IRS990ScheduleE/MaintainRacialCompRecsInd | 0 | true |
| IRS990ScheduleE/MaintainScholarshipsRecsInd | 0 | true |
| IRS990ScheduleE/NondiscriminatoryPolicyStmtInd | 0 | true |
| IRS990ScheduleE/PlcyPblczdViaBroadcastMediaInd | 0 | true |
| IRS990ScheduleE/PolicyStmtInBrochuresEtcInd | 0 | true |
| IRS990ScheduleE/SupplementalInformationDetail/ExplanationTxt | 0 | An advertisment in a local newspaper |
| IRS990ScheduleE/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Description of nondiscriminatory policy (Question 3) |
| IRS990/ScheduleJRequiredInd | 0 | false |
| IRS990/ScheduleORequiredInd | 0 | true |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | Form 990, Part VII, Section A was amended to show the correct current officers of the School.Form 990, Schedule R, Part IV was amended to show the correct street address of the related organization. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | The organization is related to another nonexempt organization through common officers and board of directors. Members of the other nonexempt organization elect the officers and board of directors. These officers and directors become the governing body of this organization. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | Each member of the related nonexempt organization has one vote on each matter submitted to a vote at the annual meeting of the general membership. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | A review will be performed. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | The organization makes its governing documents and financial statements available to the public upon request. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Amended return information |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | Member election for additional members Part VI line 7a |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | Governing body decisions Part VI line 7b |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | Form 990 governing body review Part VI line 11 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | Governing documents etc available to public Part VI line 19 |
| IRS990ScheduleR/AssetExchangeInd | 0 | false |
| IRS990ScheduleR/AssetPurchaseFromOtherOrgInd | 0 | false |
| IRS990ScheduleR/AssetSaleToOtherOrgInd | 0 | false |
| IRS990ScheduleR/DivRelatedOrganizationInd | 0 | false |
| IRS990ScheduleR/GiftGrntCapContriFromOthOrgInd | 0 | false |
| IRS990ScheduleR/GiftGrntOrCapContriToOthOrgInd | 0 | false |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/DirectControllingEntityName/BusinessNameLine1Txt | 0 | NA - common governing body |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/EIN | 0 | 910255113 |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/EntityTypeTxt | 0 | C Corp |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/LegalDomicileStateCd | 0 | WA |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/PrimaryActivitiesTxt | 0 | residential community |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/RelatedOrganizationName/BusinessNameLine1Txt | 0 | The Highlands Inc |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/USAddress/AddressLine1Txt | 0 | 181 NW Highland Dr |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/USAddress/CityNm | 0 | Shoreline |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/USAddress/StateAbbreviationCd | 0 | WA |
| IRS990ScheduleR/IdRelatedOrgTxblCorpTrGrp/USAddress/ZIPCd | 0 | 98177 |
| IRS990ScheduleR/LoansOrGuaranteesFromOthOrgInd | 0 | false |
| IRS990ScheduleR/LoansOrGuaranteesToOtherOrgInd | 0 | false |
| IRS990ScheduleR/PaidEmployeesSharingInd | 0 | false |
| IRS990ScheduleR/PerformOfServicesByOtherOrgInd | 0 | false |
| IRS990ScheduleR/PerformOfServicesForOthOrgInd | 0 | false |
| IRS990ScheduleR/ReceiptOfIntAnntsRntsRyltsInd | 0 | false |
| IRS990ScheduleR/ReimbursementPaidByOtherOrgInd | 0 | false |
| IRS990ScheduleR/ReimbursementPaidToOtherOrgInd | 0 | false |
| IRS990ScheduleR/RentalOfFacilitiesToOthOrgInd | 0 | false |
| IRS990ScheduleR/RentalOfFcltsFromOthOrgInd | 0 | true |
| IRS990ScheduleR/SharingOfFacilitiesInd | 0 | false |
| IRS990ScheduleR/TransactionsRelatedOrgGrp/InvolvedAmt | 0 | 1200 |
| IRS990ScheduleR/TransactionsRelatedOrgGrp/MethodOfAmountDeterminationTxt | 0 | Cash Paid |
| IRS990ScheduleR/TransactionsRelatedOrgGrp/OtherOrganizationName/BusinessNameLine1Txt | 0 | The Highlands Inc |
| IRS990ScheduleR/TransactionsRelatedOrgGrp/TransactionTypeTxt | 0 | k |
| IRS990ScheduleR/TransferFromOtherOrgInd | 0 | false |
| IRS990ScheduleR/TransferToOtherOrgInd | 0 | false |
| IRS990/SchoolOperatingInd | 0 | true |
| IRS990/SignificantChangeInd | 0 | false |
| IRS990/SignificantNewProgramSrvcInd | 0 | false |
| IRS990/SubjectToExcsTaxNetInvstIncInd | 0 | false |
| IRS990/SubjToTaxRmnrtnExPrchtPymtInd | 0 | false |
| IRS990/TaxablePartyNotificationInd | 0 | false |
| IRS990/TaxExemptBondsInd | 0 | false |
| IRS990/TerminateOperationsInd | 0 | false |
| IRS990/TotalAssetsBOYAmt | 0 | 490506 |
| IRS990/TotalAssetsEOYAmt | 0 | 510726 |
| IRS990/TotalAssetsGrp/BOYAmt | 0 | 490506 |
| IRS990/TotalAssetsGrp/EOYAmt | 0 | 510726 |
| IRS990/TotalCompGreaterThan150KInd | 0 | false |
| IRS990/TotalContributionsAmt | 0 | 36839 |
| IRS990/TotalEmployeeCnt | 0 | 6 |
| IRS990/TotalFunctionalExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 1112 |
| IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt | 0 | 241524 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 242636 |
| IRS990/TotalGrossUBIAmt | 0 | 0 |
| IRS990/TotalLiabilitiesBOYAmt | 0 | 36707 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 35063 |
| IRS990/TotalLiabilitiesGrp/BOYAmt | 0 | 36707 |
| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 35063 |
| IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt | 0 | 453799 |
| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | 475663 |
| IRS990/TotalOtherCompensationAmt | 0 | 0 |
| IRS990/TotalProgramServiceExpensesAmt | 0 | 241524 |
| IRS990/TotalProgramServiceRevenueAmt | 0 | 227644 |
| IRS990/TotalReportableCompFromOrgAmt | 0 | 0 |
| IRS990/TotalRevenueGrp/ExclusionAmt | 0 | 0 |
| IRS990/TotalRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 227661 |
| IRS990/TotalRevenueGrp/TotalRevenueColumnAmt | 0 | 264500 |
| IRS990/TotalRevenueGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/TotalVolunteersCnt | 0 | 4 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt | 0 | 490506 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt | 0 | 510726 |
| IRS990/TotReportableCompRltdOrgAmt | 0 | 0 |
| IRS990/TransactionWithControlEntInd | 0 | true |
| IRS990/TrnsfrExmptNonChrtblRltdOrgInd | 0 | false |
| IRS990/TypeOfOrganizationCorpInd | 0 | X |
| IRS990/UnrelatedBusIncmOverLimitInd | 0 | false |
| IRS990/UponRequestInd | 0 | X |
| IRS990/VotingMembersGoverningBodyCnt | 0 | 4 |
| IRS990/VotingMembersIndependentCnt | 0 | 0 |
| IRS990/WhistleblowerPolicyInd | 0 | false |
| ReturnHeader/AdditionalFilerInformation/TrustedCustomerGrp/AuthenticationAssuranceLevelCd | 0 | AAL1 |
| ReturnHeader/AdditionalFilerInformation/TrustedCustomerGrp/IdentityAssuranceLevelCd | 0 | IAL1 |
| ReturnHeader/AdditionalFilerInformation/TrustedCustomerGrp/OOBSecurityVerificationCd | 0 | 00 |
| ReturnHeader/AdditionalFilerInformation/TrustedCustomerGrp/TrustedCustomerCd | 0 | 0 |
| ReturnHeader/BuildTS | 0 | 2022-09-23 18:48:47Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | true |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | Sarah Lovejoy |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | Treasurer |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 2063620400 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2021-12-12 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | THE HIGHLANDS SCHOOL |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | HIGH |
| ReturnHeader/Filer/EIN | 0 | 237355961 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | 181 NW HIGHLAND DR |
| ReturnHeader/Filer/USAddress/CityNm | 0 | SHORELINE |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | WA |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 98177 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 911359292 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | Sommerfeld & Company PS |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 425 Eastlake Ave E |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | Seattle |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | WA |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 98109 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 2066821447 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2021-12-12 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | Brad Sommerfeld |
| ReturnHeader/ReturnTs | 0 | 2021-12-12T19:26:14-05:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990 |
| ReturnHeader/SigningOfficerGrp/PersonFullName/PersonFirstNm | 0 | Sarah |
| ReturnHeader/SigningOfficerGrp/PersonFullName/PersonLastNm | 0 | Lovejoy |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2020-07-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2021-06-30 |
| ReturnHeader/TaxYr | 0 | 2020 |