| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 857063 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 883158 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 47312 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 0 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | EDUCATING STUDENTS WITH DYSLEXIA AND OTHER LANGUAGE-BASED LEARNING DISABILITIES. |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 187080 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 187080 |
| IRS990/AllOtherContributionsAmt | 0 | 806979 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 45000 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 18962 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 103147 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 167109 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | KATIE TIERNEY |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 7166872081 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 2491 EMERY ROAD |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | SOUTH WALES |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | NY |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 14139 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 2581098 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 3355080 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 2 |
| IRS990/CollectionsOfArtInd | 0 | 1 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 356957 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 36808 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 393765 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 1 |
| IRS990/ConferencesMeetingsGrp/FundraisingAmt | 0 | 17709 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 17709 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 700903 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 107417 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 1402 YORK ROAD |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | 100 INTERNATIONAL DRIVE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | LUTHERVILLE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | BUFFALO |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | MD |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | NY |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 21093 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 14221 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | SAGE DINING SERVCIES |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | HORIZON CLUB TOURS |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | DINING SERVICES |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | SUMMER PROGRAM |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 806979 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 1389757 |
| IRS990/CYInvestmentIncomeAmt | 0 | 0 |
| IRS990/CYOtherExpensesAmt | 0 | 4119382 |
| IRS990/CYOtherRevenueAmt | 0 | 67965 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 10583691 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 363296 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 5586200 |
| IRS990/CYTotalExpensesAmt | 0 | 11095339 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 450907 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 11458635 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 1583714 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 1598376 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/FundraisingAmt | 0 | 38417 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 115512 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 773647 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 927576 |
| IRS990/Desc | 0 | GOW OFFERS AN ACCREDITED COLLEGE PREPARATORY CURRICULUM FOR THE EDUCATION OF YOUNG MEN AND WOMEN USING A MULTISENSORY FORMAT IN A TECHNOLOGY RICH ENVIRONMENT. GOW PROVIDES STUDENTS GRADES 6 - 12 WITH AN ACCREDITED COLLEGE PREPARATORY CURRICULUM WITH CLASSES IN RECONSTRUCTIVE LANGUAGE, ENGLISH, MATH, SCIENCE, HISTORY, BUSINESS, ECONOMICS, FINE AND PERFORMING ARTS, HEALTH, COMPUTER SCIENCE, AND ROBOTICS. CLASSES MEET SIX DAYS PER WEEK. THE 4:1 STUDENT TO FACULTY RATIO ALLOWS FOCUS ON THE REMEDIATION OF LEARNING DIFFERENCES THROUGH A PHONICS BASED PROGRAM KNOWN AS RECONSTRUCTIVE LANGUAGE. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 139 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 8542648 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 178376 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 178376 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignGrantsGrp/ProgramServicesAmt | 0 | 179325 |
| IRS990/ForeignGrantsGrp/TotalAmt | 0 | 179325 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 2.00 |
| 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 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 16 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 17 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 18 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 19 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 20 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 21 | 40.00 |
| 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/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/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 | 37406 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 21 | 16797 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | GRAEME C HEPBURN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | JOHN R BULLOCK II |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | AL R CHIRCOP |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | LAWRENCE M ROSS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | NEWTON D BAKER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | TAMMY BAKER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | LYNN BILODEAU |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | JOHN BRINKWORTH JR |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | MARY ANN COULSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | DAVID W GOW JR |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | STEVEN J IBBOTSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | ROBERT W ITTMANN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | K CARSON JONES |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | PETER K KNUDSEN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | CREIGHTON MURCH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | LOWELL G POWERS JR |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | DAPHNE ULIANA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 17 | ROBERT VAIL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 18 | ROBERT WARNER JR |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 19 | SKIP WILDAY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 20 | M BRADLEY ROGERS JR |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 21 | KATIE TIERNEY |
| 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 | 230585 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 21 | 86373 |
| 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/TitleTxt | 0 | CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | VICE CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | TRUSTEE |
| 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 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 17 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 18 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 19 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 20 | HEADMASTER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 21 | CFO/DIRECTOR OF BUSINESS OPERATIONS |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1926 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 21 |
| IRS990/GrantAmt | 0 | 1288357 |
| IRS990/GrantsToDomesticIndividualsGrp/ProgramServicesAmt | 0 | 1210432 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 1210432 |
| IRS990/GrantsToIndividualsInd | 0 | 1 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossReceiptsAmt | 0 | 11458635 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 20 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 1 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIIInd | 0 | X |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 231351 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 231351 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 148481 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 148481 |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 51533 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 43141 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsOtherSecuritiesGrp/BOYAmt | 0 | 18591226 |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 20172248 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 771971 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 852236 |
| IRS990/IRPDocumentCnt | 0 | 17 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 14800301 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 17701571 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 17243556 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 32043857 |
| IRS990/LegalDomicileStateCd | 0 | NY |
| 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/MissionDesc | 0 | A LEADER AND INNOVATOR IN DYSLEXIA EDUCATION WITH A COMMITMENT TO THE VALUES OF KINDNESS, RESPECT, HONESTY AND HARD WORK, SINCE 1926. THE GOW SCHOOL HAS BEEN HELPING STUDENTS WITH LANGUAGE-BASED LEARNING DIFFERENCES DEVELOP THE SKILLS AND CONFIDENCE TO SUCCEED IN HIGHER EDUCATION AND BEYOND AS CREATIVE, COMPASSIONATE ADULTS AND ENGAGED CITIZENS. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 1 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 39581994 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 41423971 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 1478681 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 332502 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 332502 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 52508 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 53709 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 106217 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 28345 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 215278 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 577308 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 820931 |
| IRS990/OtherExpensesGrp/Desc | 0 | FOOD SERVICE |
| IRS990/OtherExpensesGrp/Desc | 1 | DEPARTMENTAL AND STUDEN |
| IRS990/OtherExpensesGrp/Desc | 2 | REPAIRS AND MAINTENANCE |
| IRS990/OtherExpensesGrp/Desc | 3 | MISCELLANEOUS |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 15373 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 1 | 41605 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 75605 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 40502 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 648692 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 499040 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 352172 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 3 | 2821 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 648692 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 514413 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 427777 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 84928 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 0 | 900099 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | OTHER INCOME |
| IRS990/OtherRevenueMiscGrp/RelatedOrExemptFuncIncomeAmt | 0 | 67965 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 67965 |
| IRS990/OtherRevenueTotalAmt | 0 | 67965 |
| IRS990/OtherSalariesAndWagesGrp/FundraisingAmt | 0 | 170052 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 204850 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 3392695 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 3767597 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 12678 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 31207 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 251483 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 295368 |
| IRS990/PensionPlanContributionsGrp/FundraisingAmt | 0 | 14142 |
| IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt | 0 | 12675 |
| IRS990/PensionPlanContributionsGrp/ProgramServicesAmt | 0 | 281722 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 308539 |
| IRS990/PermanentlyRstrNetAssetsGrp/BOYAmt | 0 | 3478279 |
| IRS990/PermanentlyRstrNetAssetsGrp/EOYAmt | 0 | 3655663 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 1883458 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 1787315 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 394602 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 451929 |
| IRS990/PrincipalOfficerNm | 0 | KATIE TIERNEY |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 711210 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 1 | 711210 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 2 | 900099 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 3 | 900099 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | TUITION & FEES |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | SUMMER PROGRAM |
| IRS990/ProgramServiceRevenueGrp/Desc | 2 | STATE MANDATED SERVICES |
| IRS990/ProgramServiceRevenueGrp/Desc | 3 | AUXILARY SERVICES |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 9071300 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 1 | 779542 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 2 | 461636 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 3 | 271213 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 9071300 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 779542 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 2 | 461636 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 3 | 271213 |
| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | THE GOW SCHOOL ALSO OFFERS A TRADITIONAL SUMMER SCHOOL PROGRAM EXPERIENCE FOR BOYS AND GIRLS AGES 8-16. THE 5-WEEK SESSION OFFERS A SPECIALLY DESIGNED CURRICULUM FOR STUDENTS WHO HAVE EXPERIENCED ACADEMIC DIFFICULTIES OR HAVE LANGUAGE-BASED LEARNING DISABILITIES WHICH MAY INCLUDE DYSLEXIA, CENTRAL AUDITORY PROCESSING DISORDER, DYSGRAPHIA, DYSCALCULIA, ADHD AND ADD. |
| IRS990/ProgSrvcAccomActy2Grp/ExpenseAmt | 0 | 649670 |
| IRS990/ProgSrvcAccomActy2Grp/GrantAmt | 0 | 101400 |
| IRS990/ProgSrvcAccomActy2Grp/RevenueAmt | 0 | 779542 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 533296 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 1404550 |