Liabilities / Assets
59th percentile
Tied with the lowest-debt nonprofits in its peer group.
EIN 46-1043066 • 501(c)3 • Santa Clara, CA
Profile
Semi-therm educational foundation (stef) is dedicated to worldwide educational opportunities and resources within the electronics thermal engineering community by providing programs for ongoing professional development, along with technical and academic networking.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
59th percentile
Tied with the lowest-debt nonprofits in its peer group.
Liabilities / Revenue
61st percentile
Tied with the lowest-debt nonprofits in its peer group.
Net Margin
71st percentile
Higher net margin than 71% of similar nonprofits.
Top Officer Pay
Score unavailable
No filing with officer rows is available for this organization yet.
Asset Growth
89th percentile
Faster asset growth than 89% of similar nonprofits.
Revenue Growth
36th percentile
Faster revenue growth than 36% of similar nonprofits.
Assets
Up$170,367
Up $34,738 (+26%) from 2024
Liabilities
Flat$0
Flat from 2024
Net Assets
Up$170,367
Up $34,738 (+26%) from 2024
Revenue
Down$287,358
Down $14,425 (-4.8%) from 2024
Expenses
Up$252,620
Up $1,579 (+0.6%) from 2024
Net Income
Down$34,738
Down $16,004 (-32%) from 2024
Most recent year
2025 • Form 990Detailed filing. Detailed filing data is available for this year.
SEMI-THERM Educational Foundation (STEF) is dedicated to worldwide educational opportunities and resources within the electronics thermal engineering community by providing programs for ongoing professional development, along with technical and academic networking.
Providing a platform for discussion on the latest advancements in thermal management for both industry professionals and members of academia.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Cash and Non-Interest-Bearing Accounts | $135,629 | $170,367 | ▲ $34,738 |
| Land, Buildings, and Equipment, Net | $0 | $0 | → $0 |
| Total Assets | $135,629 | $170,367 | ▲ $34,738 |
| Liabilities | |||
| Total Liabilities | $0 | $0 | → $0 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $135,629 | $170,367 | ▲ $34,738 |
| Total Net Assets Fund Balance | $135,629 | $170,367 | ▲ $34,738 |
| Total Liabilities and Net Assets / Fund Balance | $135,629 | $170,367 | ▲ $34,738 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Other Land Buildings | $0 | $1,197 | $1,197 |
| Name | Title |
|---|---|
| George Meyer | Chairman |
| Alfonso Ortega | Trustee |
| Bernard Siegal | Trustee |
| David Saums | Trustee |
| James Wilson | Trustee |
| Ross Wilcoxen | Trustee |
| Thomas Tarter | Trustee |
| Line Item | Amount |
|---|---|
| Other Expenses | $252,620 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Salaries, Compensation, and Employee Benefits | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Conferences and Meetings | $139,145 | - | - | $139,145 |
| Fees for Services Management | $53,074 | - | - | $53,074 |
| Information Technology | $15,694 | - | - | $15,694 |
| Fees for Services Accounting | - | $6,189 | - | $6,189 |
| Office Expenses | - | $1,580 | - | $1,580 |
| Other Expenses | $889 | - | - | $889 |
| Travel | $656 | - | - | $656 |
| Total Functional Expenses | $244,851 | $7,769 | $0 | $252,620 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
“A copy of form 990 is provided to the members of the governing board for review and approval prior to filing with the tax agencies. The treasurer generally requests that the independent cpa firm explain to the board members any questions that may arise.”
“Organization and board members review conflict of interest policies.”
“PROVIDED UPON REQUEST.”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
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| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | PROVIDING A PLATFORM FOR DISCUSSION ON THE LATEST ADVANCEMENTS IN THERMAL MANAGEMENT FOR BOTH INDUSTRY PROFESSIONALS AND MEMBERS OF ACADEMIA. |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | GEORGE MEYER |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 4085771407 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 26117 KITS BURROW COURT |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | GEORGETOWN |
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| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 19947 |
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| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 135629 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 170367 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
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| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 0 |
| IRS990/CompensationProcessOtherInd | 0 | 0 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 139145 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 139145 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
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| IRS990/CYInvestmentIncomeAmt | 0 | 7 |
| IRS990/CYOtherExpensesAmt | 0 | 252620 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 287351 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 34738 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/CYTotalExpensesAmt | 0 | 252620 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 287358 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/Desc | 0 | STEF SPONSORS AN ANNUAL INTERNATIONAL SYMPOSIUM FOR THE THERMAL INDUSTRY TO SHOWCASE THE LATEST ADVANCES IN ELECTRONICS THERMAL MANAGEMENT BY PROVIDING PRESENTATIONS AND SHORT COURSES IN INDUSTRY CHALLENGES. THIS YEAR THE ORGANIZATION GATHERED FOR THE 41TH ANNUAL SYMPOSIUM DEDICATED TO THERMAL DESIGN, THERMAL MANAGEMENT, AND THERMAL MEASUREMENT OF SEMICONDUCTOR SYSTEMS AND COMPONENTS. THE PROGRAM CONSISTS OF A KEYNOTE ADDRESS; SEVEN SHORT COURSES; THIRTY-FOUR TECHNICAL PAPERS; TWO LUNCHEON SPEECHES; TWO PANEL SESSIONS ON "ARTIFICIAL INTELLIGENCE AND ITS IMPACTS ON THERMAL DESIGN; VENDOR WORKSHOPS; TWO DAYS OF SEMI-THERM EXHIBITS AND AN AWARD SESSION. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
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| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 244851 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 6189 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 6189 |
| IRS990/FeesForServicesManagementGrp/ProgramServicesAmt | 0 | 53074 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 53074 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| 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 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 2.00 |
| 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/OfficerInd | 0 | 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/PersonNm | 0 | BERNARD SIEGAL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | GEORGE MEYER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | THOMAS TARTER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | JAMES WILSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | DAVID SAUMS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | ALFONSO ORTEGA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | ROSS WILCOXEN |
| 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/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/TitleTxt | 0 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | CHAIRMAN |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | TRUSTEE |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 2013 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedInd | 0 | 0 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 7 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossReceiptsAmt | 0 | 287358 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 0 |
| IRS990/IndependentVotingMemberCnt | 0 | 7 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 15694 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 15694 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 7 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 7 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 5 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 1197 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 0 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 0 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 1197 |
| IRS990/LegalDomicileStateCd | 0 | CA |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 0 |
| IRS990/MethodOfAccountingCashInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | SEMI-THERM EDUCATIONAL FOUNDATION (STEF) IS DEDICATED TO WORLDWIDE EDUCATIONAL OPPORTUNITIES AND RESOURCES WITHIN THE ELECTRONICS THERMAL ENGINEERING COMMUNITY BY PROVIDING PROGRAMS FOR ONGOING PROFESSIONAL DEVELOPMENT, ALONG WITH TECHNICAL AND ACADEMIC NETWORKING. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 135629 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 170367 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 135629 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 170367 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 1580 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 1580 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherExpensesGrp/Desc | 0 | EXHIBITION EXPENSE |
| IRS990/OtherExpensesGrp/Desc | 1 | PROCEEDINGS PREPARATION |
| IRS990/OtherExpensesGrp/Desc | 2 | AWARDS EXPENSE |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 33333 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 2060 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 889 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 33333 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 2060 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 889 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrincipalOfficerNm | 0 | GEORGE MEYER |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 611430 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | SYMPOSIUM REVENUE |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 287351 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 287351 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 0 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/PYInvestmentIncomeAmt | 0 | 12 |
| IRS990/PYOtherExpensesAmt | 0 | 251041 |
| IRS990/PYOtherRevenueAmt | 0 | 0 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 301771 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 50742 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/PYTotalExpensesAmt | 0 | 251041 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 301783 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 34738 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 0 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 0 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/RevenueAmt | 0 | 287351 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearAmt | 0 | 0 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 3300 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 12000 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt | 0 | 15300 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearAmt | 0 | 7 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus1YearAmt | 0 | 12 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 8 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 3 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 7 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt | 0 | 37 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearAmt | 0 | 287351 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus1YearAmt | 0 | 301771 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus2YearsAmt | 0 | 349135 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus3YearsAmt | 0 | 187890 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus4YearsAmt | 0 | 40833 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/TotalAmt | 0 | 1166980 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearAmt | 0 | 7 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus1YearAmt | 0 | 12 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus2YearsAmt | 0 | 8 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus3YearsAmt | 0 | 3 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus4YearsAmt | 0 | 7 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/TotalAmt | 0 | 37 |
| IRS990ScheduleA/InvestmentIncomeCYPct | 0 | 0.00000 |
| IRS990ScheduleA/PubliclySupportedOrg509a2Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY509Pct | 0 | 1.00000 |
| IRS990ScheduleA/PublicSupportPY509Pct | 0 | 1.00000 |
| IRS990ScheduleA/PublicSupportTotal509Amt | 0 | 1182280 |
| IRS990ScheduleA/SubstAndDsqlfyPrsnsTotGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/SubstantialContributorsAmtGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind | 0 | X |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt | 0 | 287351 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt | 0 | 301771 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 352435 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 187890 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 52833 |
| IRS990ScheduleA/Total509Grp/TotalAmt | 0 | 1182280 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt | 0 | 287358 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt | 0 | 301783 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus2YearsAmt | 0 | 352443 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus3YearsAmt | 0 | 187893 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus4YearsAmt | 0 | 52840 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt | 0 | 1182317 |
| IRS990/ScheduleBRequiredInd | 0 | 0 |
| IRS990ScheduleD/OtherLandBuildingsGrp/BookValueAmt | 0 | 0 |
| IRS990ScheduleD/OtherLandBuildingsGrp/DepreciationAmt | 0 | 1197 |
| IRS990ScheduleD/OtherLandBuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 1197 |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 0 |
| IRS990/ScheduleJRequiredInd | 0 | 0 |
| IRS990/ScheduleORequiredInd | 0 | 1 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | A COPY OF FORM 990 IS PROVIDED TO THE MEMBERS OF THE GOVERNING BOARD FOR REVIEW AND APPROVAL PRIOR TO FILING WITH THE TAX AGENCIES. THE TREASURER GENERALLY REQUESTS THAT THE INDEPENDENT CPA FIRM EXPLAIN TO THE BOARD MEMBERS ANY QUESTIONS THAT MAY ARISE. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | ORGANIZATION AND BOARD MEMBERS REVIEW CONFLICT OF INTEREST POLICIES. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | PROVIDED UPON REQUEST. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990, PART VI, SECTION B, LINE 11B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PART VI, SECTION B, LINE 12C |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PART VI, SECTION C, LINE 19 |
| IRS990/SchoolOperatingInd | 0 | 0 |
| IRS990/SignificantChangeInd | 0 | 0 |
| IRS990/SignificantNewProgramSrvcInd | 0 | 0 |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 0 | CA |
| IRS990/SubjectToExcsTaxNetInvstIncInd | 0 | 0 |
| IRS990/SubjectToProxyTaxInd | 0 | 0 |
| IRS990/SubjToTaxRmnrtnExPrchtPymtInd | 0 | 0 |
| IRS990/TaxablePartyNotificationInd | 0 | 0 |
| IRS990/TaxExemptBondsInd | 0 | 0 |
| IRS990/TerminateOperationsInd | 0 | 0 |
| IRS990/TotalAssetsBOYAmt | 0 | 135629 |
| IRS990/TotalAssetsEOYAmt | 0 | 170367 |
| IRS990/TotalAssetsGrp/BOYAmt | 0 | 135629 |
| IRS990/TotalAssetsGrp/EOYAmt | 0 | 170367 |
| IRS990/TotalCompGreaterThan150KInd | 0 | 0 |
| IRS990/TotalEmployeeCnt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 7769 |
| IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt | 0 | 244851 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 252620 |
| IRS990/TotalGrossUBIAmt | 0 | 0 |
| IRS990/TotalLiabilitiesBOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesGrp/BOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 0 |
| IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt | 0 | 135629 |
| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | 170367 |
| IRS990/TotalOtherCompensationAmt | 0 | 0 |
| IRS990/TotalProgramServiceExpensesAmt | 0 | 244851 |
| IRS990/TotalProgramServiceRevenueAmt | 0 | 287351 |
| IRS990/TotalReportableCompFromOrgAmt | 0 | 0 |
| IRS990/TotalRevenueGrp/ExclusionAmt | 0 | 7 |
| IRS990/TotalRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 287351 |
| IRS990/TotalRevenueGrp/TotalRevenueColumnAmt | 0 | 287358 |
| IRS990/TotalRevenueGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/TotalVolunteersCnt | 0 | 0 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt | 0 | 135629 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt | 0 | 170367 |
| IRS990/TotReportableCompRltdOrgAmt | 0 | 0 |
| IRS990/TravelGrp/ProgramServicesAmt | 0 | 656 |
| IRS990/TravelGrp/TotalAmt | 0 | 656 |
| IRS990/TrnsfrExmptNonChrtblRltdOrgInd | 0 | 0 |
| IRS990/TypeOfOrganizationCorpInd | 0 | X |
| IRS990/UnrelatedBusIncmOverLimitInd | 0 | 0 |
| IRS990/UponRequestInd | 0 | X |
| IRS990/USAddress/AddressLine1Txt | 0 | 26117 KITS BURROW COURT |
| IRS990/USAddress/CityNm | 0 | GEORGETOWN |
| IRS990/USAddress/StateAbbreviationCd | 0 | DE |
| IRS990/USAddress/ZIPCd | 0 | 19947 |
| IRS990/VotingMembersGoverningBodyCnt | 0 | 7 |
| IRS990/VotingMembersIndependentCnt | 0 | 7 |
| IRS990/WebsiteAddressTxt | 0 | SEMI-THERM.ORG |
| IRS990/WhistleblowerPolicyInd | 0 | 1 |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | 1 |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | GEORGE MEYER |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | CHAIRMAN |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 6507994804 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2025-09-03 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | SEMI-THERM EDUCATIONAL FOUNDATION |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | SEMI |
| ReturnHeader/Filer/EIN | 0 | 461043066 |
| ReturnHeader/Filer/PhoneNum | 0 | 6507994804 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | 3287 KIFER RD |
| ReturnHeader/Filer/USAddress/CityNm | 0 | SANTA CLARA |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | CA |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 95051 |
| ReturnHeader/IRSResponsiblePrtyInfoCurrInd | 0 | 1 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 231551315 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | TROUT CPA |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 1705 OREGON PIKE |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | LANCASTER |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | PA |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 17601 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 7175692900 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2025-09-03 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | ANN SHENK |
| ReturnHeader/ReturnTs | 0 | 2026-03-15T08:28:36-05:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990 |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2024-05-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2025-04-30 |
| ReturnHeader/TaxYr | 0 | 2024 |
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