| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 5642146 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 6300002 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 1111242 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 210429 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | HIGH TECH HIGH PROVIDES EDUCATION TO STUDENTS THROUGH THE OPERATION OF ITS CHARTER SCHOOLS. |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 2253 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 2253 |
| IRS990/AllOtherContributionsAmt | 0 | 811451 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | AMANDA WYATT CFO |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 6198145084 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 2861 WOMBLE ROAD |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | SAN DIEGO |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 92106 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 2498022 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 3483289 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 2 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 837368 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 837368 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 1 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 1 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 594835 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 113430 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 1655 BROADWAY UNIT 12 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | 2690 HISTORIC DECATUR |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | CHULA VISTA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | SAN DIEGO |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | CA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | CA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 91911 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 92106 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | TOP N CATERING LLC |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | BANYAN PRODUCTIONS |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | FOOD SERVICES |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | FOOD SERVICES |
| IRS990/ContriRptFundraisingEventAmt | 0 | 123498 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 66012162 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 230747 |
| IRS990/CYOtherExpensesAmt | 0 | 19571649 |
| IRS990/CYOtherRevenueAmt | 0 | 126793 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 2810957 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 939576 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 48669434 |
| IRS990/CYTotalExpensesAmt | 0 | 68241083 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 80415 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 69180659 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 850255 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 441003 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 1779310 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 1779310 |
| IRS990/Desc | 0 | OPERATION OF PUBLIC CHARTER SCHOOLS: IN 2018-19, OVER 5,000 STUDENTS ATTENDED HIGH TECH HIGH OPERATED PUBLIC CHARTER SCHOOLS IN GRADES K-12. HIGH TECH HIGH'S STUDENTS GRADUATE WITH 100% OF THE 'A-G' REQUIREMENTS FOR UNIVERSITY OF CALIFORNIA ADMISSION SATISFIED. THIS COMPARES TO ROUGHLY 1/3 OF HIGH SCHOOL STUDENTS THROUGHOUT THE STATE OF CALIFORNIA. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 907 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 49791552 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditPerformedInd | 0 | 1 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 1 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 35380 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 35380 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 241427 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 241427 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 34372 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 1281245 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 1974998 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 3290615 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 17.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 5 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 6 | 6.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 7 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 8 | 15.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 9 | 9.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 10 | 22.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 48.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 53.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 41.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 48.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 20.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 49.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 29.00 |
| IRS990/Form990PartVIISectionAGrp/FormerOfcrDirectorTrusteeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/FormerOfcrDirectorTrusteeInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/FormerOfcrDirectorTrusteeInd | 2 | X |
| 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/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 | 72501 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 1691 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 22551 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 21431 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 29202 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 17878 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 17584 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 27909 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 21539 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 23285 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 15 | 25057 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | GARY JACOBS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | KAY DAVIS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | HEATHER LATTIMER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | HECTOR PEREZ |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | LARRY ROSENSTOCK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | AMANDA WYATT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | MARIA HEREDIA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | JANIE GRISWOLD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | AMY BRIGGS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | BRETT PETERSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | PAUL W DOOLEY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | DAREN R SEFCIK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | CHRISTOPHER WHITE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | KAY MCELRATH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | JENNY SALKELD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | BEN DALEY |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 358482 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 22594 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 190729 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 149789 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 132072 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 128578 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 123319 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 114645 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 112455 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 51183 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 133621 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 37000 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 25000 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 15000 |
| 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 | 9740 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 15 | 151933 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | PRINCIPAL/CHIEF EXECUTIVE OFFICER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | CHIEF FINANCIAL OFFICER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | COO & GENERAL COUNSEL |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | CHIEF ACADEMIC OFFICER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | SPECIAL EDUCATION DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | SCHOOL DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | FACILITIES DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | CHIEF TECHNOLOGY OFFICIER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | COLLEGE ADVISOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | FORMER INTERIM CFO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | FORMER CFO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | FORMER CHIEF ACADEMIC OFFICER |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1999 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 1 |
| IRS990/FSAuditedBasisGrp/ConsolAndSepBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 1 |
| IRS990/FundraisingAmt | 0 | 123498 |
| IRS990/FundraisingDirectExpensesAmt | 0 | 20077 |
| IRS990/FundraisingGrossIncomeAmt | 0 | 28243 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 4 |
| IRS990/GovernmentGrantsAmt | 0 | 62660929 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossReceiptsAmt | 0 | 69200736 |
| IRS990/GrossRentsGrp/RealAmt | 0 | 8154 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 4 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 16 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 407177 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 407177 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 410976 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 410976 |
| IRS990/InterestGrp/ManagementAndGeneralAmt | 0 | 114335 |
| IRS990/InterestGrp/ProgramServicesAmt | 0 | 105337 |
| IRS990/InterestGrp/TotalAmt | 0 | 219672 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 230747 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 230747 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsProgramRelatedGrp/BOYAmt | 0 | 22459 |
| IRS990/InvestmentsProgramRelatedGrp/EOYAmt | 0 | 22641 |
| IRS990/IRPDocumentCnt | 0 | 88 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 10664479 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 32699209 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 32120494 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 42784973 |
| IRS990/LegalDomicileStateCd | 0 | CA |
| IRS990/LessRentalExpensesGrp/RealAmt | 0 | 0 |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 1 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 0 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | HIGH TECH HIGH'S MISSION IS DEVELOP AND SUPPORT INNOVATIVE PUBLIC SCHOOLS WHERE ALL STUDENTS DEVELOP THE ACADEMIC, WORKPLACE AND CITIZENSHIP SKILLS FOR POSTSECONDARY SUCCESS. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 30095368 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 31034944 |
| IRS990/NetIncmFromFundraisingEvtGrp/ExclusionAmt | 0 | 8166 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | 8166 |
| IRS990/NetRentalIncomeOrLossGrp/ExclusionAmt | 0 | 8154 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 8154 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NoncashContributionsAmt | 0 | 23500 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 899113 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 6627800 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 7526913 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 153434 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 270363 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 423797 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 4931443 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 8681109 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 822847 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 2721971 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 3544818 |
| IRS990/OtherExpensesGrp/Desc | 0 | BOOKS & SUPPLIES |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 46043 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 1161258 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 3193800 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 4401101 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 23663584 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 23665901 |
| IRS990/OtherRevenueMiscGrp/BusinessCd | 0 | 221000 |
| IRS990/OtherRevenueMiscGrp/Desc | 0 | ENERGY INCENTIVE/REBATE |
| IRS990/OtherRevenueMiscGrp/RelatedOrExemptFuncIncomeAmt | 0 | 110473 |
| IRS990/OtherRevenueMiscGrp/TotalRevenueColumnAmt | 0 | 110473 |
| IRS990/OtherRevenueTotalAmt | 0 | 110473 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 8055691 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 25776247 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 33831938 |
| IRS990/OwnWebsiteInd | 0 | X |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PaymentsToAffiliatesGrp/ProgramServicesAmt | 0 | 31081 |
| IRS990/PaymentsToAffiliatesGrp/TotalAmt | 0 | 31081 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 346850 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 1040549 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 1387399 |
| IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt | 0 | 2227629 |
| IRS990/PensionPlanContributionsGrp/ProgramServicesAmt | 0 | 6840282 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 9067911 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 5021336 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 6359579 |
| IRS990/PoliciesReferenceChaptersInd | 0 | 1 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 396208 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 493452 |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 624410 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 1 | 561000 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 2 | 561499 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 3 | 611430 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 4 | 611710 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | CHILD CARE PROGRAM |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | AFFILIATE SUBCONTRACTS |
| IRS990/ProgramServiceRevenueGrp/Desc | 2 | MANAGEMENT FEES |
| IRS990/ProgramServiceRevenueGrp/Desc | 3 | CREDENTIALING FEES |
| IRS990/ProgramServiceRevenueGrp/Desc | 4 | STUDENT TRAVEL INCOME |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 675229 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 1 | 573506 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 2 | 477707 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 3 | 398097 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 4 | 295805 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 675229 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 573506 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 2 | 477707 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 3 | 398097 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 4 | 295805 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 58383387 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/PYInvestmentIncomeAmt | 0 | 182281 |
| IRS990/PYOtherExpensesAmt | 0 | 18760003 |
| IRS990/PYOtherRevenueAmt | 0 | 202427 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 3491720 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 1881257 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 41618555 |
| IRS990/PYTotalExpensesAmt | 0 | 60378558 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 62259815 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 939576 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 1 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 1 |
| IRS990/RelatedOrganizationsAmt | 0 | 2416284 |
| IRS990/RentalIncomeOrLossGrp/RealAmt | 0 | 8154 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 1 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 1 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/RevenueAmt | 0 | 2921430 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 13571434 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 10070857 |
| 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/BuildingsGrp/BookValueAmt | 0 | 25992382 |
| IRS990ScheduleD/BuildingsGrp/DepreciationAmt | 0 | 8223628 |
| IRS990ScheduleD/BuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 34216012 |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 512497 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 1674620 |