| IRS990/AccountantCompileOrReviewInd | 0 | false |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 647716 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 466546 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 522333 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 408375 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | TO SPARK IN STUDENTS OF DIVERSE BACKGROUNDS AND TALENTS A PASSION FOR LEARNING, ACCOMPLISHMENT, AND CONTRIBUTION TO THEIR COMMUNITIES. |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 34551 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 34551 |
| IRS990/AllOtherContributionsAmt | 0 | 1725572 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/AuditCommitteeInd | 0 | true |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BenefitsToMembersGrp/TotalAmt | 0 | 0 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | ROBIN E BENTLEY |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 2063267771 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 3400 E HARRISON STREET |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | SEATTLE |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | WA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 98112 |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 2494810 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 2075553 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 4 |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 975689 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 975689 |
| IRS990/CompDisqualPersonsGrp/TotalAmt | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | true |
| IRS990/CompensationProcessOtherInd | 0 | true |
| IRS990/ConferencesMeetingsGrp/FundraisingAmt | 0 | 2717 |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 29791 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 37137 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 69645 |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | true |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 233645 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 449409 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 2 | 562994 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 3 | 109720 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | PO BOX 34006 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | PO BOX 790408 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 2 | 1201 ALASKAN WAY 200 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 3 | 500 Union St Ste 900 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | SEATTLE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | ST LOUIS |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 2 | SEATTLE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 3 | SEATTLE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | WA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | MO |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 2 | WA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 3 | WA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 98124 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 63101 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 2 | 98101 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 3 | 98101 |
| IRS990/ContractorCompensationGrp/ContractorName/PersonNm | 0 | FOOD SERVICES OF AMERICA |
| IRS990/ContractorCompensationGrp/ContractorName/PersonNm | 1 | US BANK |
| IRS990/ContractorCompensationGrp/ContractorName/PersonNm | 2 | MITHUNPIER 56 |
| IRS990/ContractorCompensationGrp/ContractorName/PersonNm | 3 | Warren Company |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | CATERER |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | CREDIT CARD PROVIDER |
| IRS990/ContractorCompensationGrp/ServicesDesc | 2 | ARCHITECT |
| IRS990/ContractorCompensationGrp/ServicesDesc | 3 | Project Manager |
| IRS990/ContriRptFundraisingEventAmt | 0 | 543639 |
| IRS990/CostOfGoodsSoldAmt | 0 | 607672 |
| IRS990/CreditCounselingInd | 0 | true |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 2269211 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 3235909 |
| IRS990/CYInvestmentIncomeAmt | 0 | 511533 |
| IRS990/CYOtherExpensesAmt | 0 | 4804275 |
| IRS990/CYOtherRevenueAmt | 0 | -103493 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 21535367 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 1427019 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 14745415 |
| IRS990/CYTotalExpensesAmt | 0 | 22785599 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 784972 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 24212618 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | true |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 5595280 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 6461073 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/FundraisingAmt | 0 | 7495 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 99810 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 1147814 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 1255119 |
| IRS990/Desc | 0 | The Bush School provides innovative experiential education to 657 students from Kindergarten through Twelfth Grade. The Bush School prepares students for a lifetime of learning, focusing on direct experiences, collaboration, and contribution to our local, national, and international communities. The Bush School is accredited by the Northwest Association of Independent Schools, National Association of Independent Schools, the Northwest Accreditation Commission, and the State of Washington. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | true |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 347 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | true |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/EscrowAccountLiabilityGrp/BOYAmt | 0 | 68782 |
| IRS990/EscrowAccountLiabilityGrp/EOYAmt | 0 | 66335 |
| IRS990/ExpenseAmt | 0 | 17871459 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 59637 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 59637 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 10838 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 10838 |
| IRS990/FeesForServicesLobbyingGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 6020 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 196760 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 63988 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 266768 |
| IRS990/FeesForServicesProfFundraising/TotalAmt | 0 | 0 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt | 0 | 41570 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 41570 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignGrantsGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 5 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 6 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 7 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 8 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 9 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 10 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 11 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 12 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 13 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 14 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 15 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 16 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 17 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 18 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 19 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 20 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 21 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 22 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 23 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 24 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 25 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 26 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 27 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 28 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 29 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 30 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 31 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 32 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 3.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 3.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 3.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 3.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 3.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 3.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 3.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 3.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 3.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 3.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 3.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 3.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 3.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 3.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 3.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 16 | 3.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 17 | 3.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 18 | 3.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 19 | 3.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 20 | 3.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 21 | 3.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 22 | 3.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 23 | 3.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 24 | 3.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 25 | 45.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 26 | 45.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 27 | 45.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 28 | 45.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 29 | 45.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 30 | 45.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 31 | 45.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 32 | 45.0 |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 4 | 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/IndividualTrusteeOrDirectorInd | 14 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 15 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 16 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 17 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 18 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 19 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 20 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 21 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 22 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 23 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 24 | X |
| IRS990/Form990PartVIISectionAGrp/KeyEmployeeInd | 0 | 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/OfficerInd | 5 | 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 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 20 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 21 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 22 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 23 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 24 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 25 | 28513 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 26 | 34652 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 27 | 21316 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 28 | 20409 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 29 | 20867 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 30 | 22715 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 31 | 6097 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 32 | 17875 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | KAREN MARCOTTE SOLIMANO |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | BECKY GUZAK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | PEGGY O'NEILL SKINNER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | CURTIS VREDENBURG RIX |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | MIKE GALGON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | ALDEN GARRETT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | ERIC FAHLMAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | JUSTIN MOON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | STEVE ROSEN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | ARTEMIOS PANOS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | C'Ardiss Gleser |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | Chris Chickadel |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | Lisa Carroll |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | PATRICIA HEARN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | SERGIO CHIN-LEY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | BETH CLARK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | MAGGIE FINCH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 17 | CHRIS JONES |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 18 | Kevin Baker |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 19 | Atul Bali |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 20 | Steven Caplow |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 21 | Brandon Gillespie |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 22 | Daniel Pak |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 23 | Barbara Richardson |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 24 | Ian Sands |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 25 | Robin Bentley |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 26 | Percy Abram |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 27 | JAMES FRANKLIN V |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 28 | Jo Ito |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 29 | Ray Wilson |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 30 | POLLY FREDLUND |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 31 | Priyanthi Alahendra |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 32 | Melissa Lanctot |
| 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 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 20 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 21 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 22 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 23 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 24 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 25 | 213646 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 26 | 391106 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 27 | 132964 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 28 | 123843 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 29 | 128441 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 30 | 146954 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 31 | 123109 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 32 | 110444 |
| 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/ReportableCompFromRltdOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 20 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 21 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 22 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 23 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 24 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 25 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 26 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 27 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 28 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 29 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 30 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 31 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 32 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | Vice President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | Trustee |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | Trustee |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | Trustee |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 17 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 18 | Trustee |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 19 | Trustee |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 20 | Trustee |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 21 | Trustee |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 22 | Trustee |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 23 | Trustee |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 24 | Trustee |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 25 | Asst Head for Finance & Oper. |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 26 | Head of School |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 27 | MIDDLE SCHOOL DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 28 | Athletic Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 29 | Upper School Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 30 | DIRECTOR OF ADMISSIONS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 31 | Lower School Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 32 | Co-Director |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 1931 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | true |