Liabilities / Assets
59th percentile
Tied with the lowest-debt nonprofits in its peer group.
Oak Park & River Forest Hs Alumni Assoc
EIN 36-4511568 • 501(c)3 • Oak Park, IL
Profile
The alumni association provides grant support to programs and scholarships that benefit current oprfhs students and also sponsors events throughout the school year which bring together high school alumni, including networking and social events.
Siviq Scores
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
0.00x
Liabilities / Revenue
61st percentile
Tied with the lowest-debt nonprofits in its peer group.
Net Margin
85th percentile
Higher net margin than 85% of similar nonprofits.
Top Officer Pay
84th percentile
Higher top officer pay than 84% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
79th percentile
Faster asset growth than 79% of similar nonprofits.
Revenue Growth
60th percentile
Faster revenue growth than 60% of similar nonprofits.
Balance Sheet
Assets
Up$326,959
Up $71,153 (+28%) from 2023
Liabilities
Flat$0
Flat from 2023
Net Assets
Up$326,959
Up $71,153 (+28%) from 2023
Revenue
Up$111,644
Up $17,561 (+19%) from 2023
Expenses
Up$70,014
Up $23,834 (+52%) from 2023
Net Income
Down$41,630
Down $6,273 (-13%) from 2023
Trend Graphs
Filings
Most recent year
2024 • Form 990EZDetailed filing. Detailed filing data is available for this year.
- Assets
- $326,959
- Liabilities
- $0
- Net assets
- $326,959
- Revenue
- $111,644
- Expenses
- $70,014
- Net income
- $41,630
Latest Filing Detail
Jump To
Filing Snapshot
- Filing Period
- Jan 1, 2024 to Dec 31, 2024
- Signed
- May 13, 2025
- Return Version
- 2024v5.1
- Gross Receipts
- $111,644
Mission and Program Overview
Mission
The alumni association provides grant support to programs and scholarships that benefit current oprfhs students and also sponsors events throughout the school year which bring together high school alumni, including networking and social events.
Program Services
| Description | Grants | Expenses |
|---|---|---|
| THE ALUMNI ASSOCIATION ENABLED $3,500 IN ENRICHMENT PROGRAMS FOR CURRENT STUDENTS OF OPRF HIGH SCHOOL AND PROVIDED OF A $40,067 AWARD TO THE OPRF MUSEUM FOR AN EXHIBIT ON THE HIGH SCHOOL'S SESQUICENTENNIAL. | $43,567 | $43,567 |
| THE MISSION OF THE OAK PARK AND RIVER FOREST HIGH SCHOOL ALUMNI ASSOCIATION IS TO MAINTAIN AND ENHANCE CONNECTIONS BETWEEN CLASSMATES AND WITH THE OPRFHS COMMUNITY, AND PROVIDE A MEANS FOR FORMER STUDENTS TO GIVE BACK TO THEIR HIGH SCHOOL. THE ALUMNI ASSOCIATION DOES THIS BY SPONSORING EVENTS AND NETWORKING OPPORTUNITIES, AND PROVIDING FUNDING FOR STUDENT-LED ACTIVITIES AND EVENTS THAT BENEFIT CURRENT STUDENTS AND THE WIDER HIGH SCHOOL COMMUNITY | $0 | $13,054 |
Compensation and Service Providers
Employees
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| THERESA GUARINO LIPO | Board President | - | $0 | - | - |
| SCYLA MURRAY BAIELLI | Vice-President | - | $0 | - | - |
| KAREN BARG BALDWIN | Treasurer | - | $0 | - | - |
| COLLEEN PHELAN BIGGINS | Director | - | $0 | - | - |
| KRISTINE COSTOPOULOS | Director | - | $0 | - | - |
| PATI CARPENTER DOSSEY | Director | - | $0 | - | - |
| THERESE BRENNOCK | Director | - | $0 | - | - |
| KEVIN BRY | Director | - | $0 | - | - |
| JOHN COSTOPOULOS | Director | - | $0 | - | - |
| CHRISTOPHER DUMELLE | Director | - | $0 | - | - |
| DAMIEN QUALLS | Director | - | $0 | - | - |
| KILEY NELSON | Director | - | $0 | - | - |
Filing and Contact Details
Filer
- Filer Name
- Oak Park & River Forest Hs Alumni Associ
- EIN
- 36-4511568
- Phone
- 7084343281
- Address
- 201 N SCOVILLE AVE, OAK PARK, IL 60302
Signing Officer
- Name
- Theresa Guarino Lipo
- Title
- President
- Phone
- 7084343281
- Signed
- 2025-05-13
- Discuss with paid preparer
- Yes
Preparer
- Firm
- Sassetti LLC
- Address
- 2107 SWIFT DRIVE SUITE 210, OAK BROOK, IL 60523
- Preparer
- Myrna Mejia
- Phone
- 7083861433
Supplemental Narrative
Additional Explanations
Form 990-ez, Part I, Line 4 - Other Investment Income
“Description: interest income. Amount: 9,159.”
Form 990-ez, Part I, Line 10 - Grants and Similar Amounts Paid
“Activity classification: grant awarded to for the oprf high school's sesquicentennial exhibit. Grantee name: oprf museum. Grantee address: 129 lake street oak park, il 60302. Amount given: 3,500.”
Form 990-ez, Part I, Line 10 - Grants and Similar Amounts Paid
“Activity classification: assistance for fine arts and music enrichment programs in 2024. Grantee name: oak park and river forest high school. Grantee address: 201 n. Scoville ave oak park, il 60302. Amount given: 40,067. Total included on form 990-ez, line 10: 43,567.”
Form 990-ez, Part I, Line 16 - Other Expenses
“Description: bank fees. Amount: 90. Description: insurance. Amount: 660. Description: miscellaneous event expenses. Amount: 1,560. Description: state filing fees. Amount: 125. Description: telephone and communications. Amount: 22. Total to form 990-ez, line 16: 2,457.”
Form 990-ez, Part I, Line 20 - Other Changes in Net Assets
“Description: prior year adjustment for expenses paid by endowment fund . Amount: 29,523.”
Raw XML Appendix216 raw XML fields
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990EZ/ActivitiesNotPreviouslyRptInd | 0 | 0 |
| IRS990EZ/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | MAUREEN KLEINMAN |
| IRS990EZ/BooksInCareOfDetail/PhoneNum | 0 | 7084343281 |
| IRS990EZ/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 201 N SCOVILLE AVE |
| IRS990EZ/BooksInCareOfDetail/USAddress/CityNm | 0 | OAK PARK |
| IRS990EZ/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | IL |
| IRS990EZ/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 60302 |
| IRS990EZ/CashSavingsAndInvestmentsGrp/BOYAmt | 0 | 255806 |
| IRS990EZ/CashSavingsAndInvestmentsGrp/EOYAmt | 0 | 326959 |
| IRS990EZ/ChgMadeToOrgnzngDocNotRptInd | 0 | 0 |
| IRS990EZ/ContributionsGiftsGrantsEtcAmt | 0 | 102485 |
| IRS990EZ/DirectIndirectPltclExpendAmt | 0 | 0 |
| IRS990EZ/DonorAdvisedFndsInd | 0 | 0 |
| IRS990EZ/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990EZ/ExcessOrDeficitForYearAmt | 0 | 41630 |
| IRS990EZ/FeesAndOtherPymtToIndCntrctAmt | 0 | 20708 |
| IRS990EZ/FiledScheduleAInd | 0 | 1 |
| IRS990EZ/ForeignFinancialAccountInd | 0 | 0 |
| IRS990EZ/ForeignOfficeInd | 0 | 0 |
| IRS990EZ/Form990TotalAssetsGrp/BOYAmt | 0 | 255806 |
| IRS990EZ/Form990TotalAssetsGrp/EOYAmt | 0 | 326959 |
| IRS990EZ/GrantsAndSimilarAmountsPaidAmt | 0 | 43567 |
| IRS990EZ/GrossReceiptsAmt | 0 | 111644 |
| IRS990EZ/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990EZ/InfoInScheduleOPartIInd | 0 | X |
| IRS990EZ/InfoInScheduleOPartIVInd | 0 | X |
| IRS990EZ/InfoInScheduleOPartVInd | 0 | X |
| IRS990EZ/InvestmentIncomeAmt | 0 | 9159 |
| IRS990EZ/LobbyingActivitiesInd | 0 | 0 |
| IRS990EZ/MadeLoansToFromOfficersInd | 0 | 0 |
| IRS990EZ/MethodOfAccountingCashInd | 0 | X |
| IRS990EZ/NetAssetsOrFundBalancesBOYAmt | 0 | 255806 |
| IRS990EZ/NetAssetsOrFundBalancesEOYAmt | 0 | 326959 |
| IRS990EZ/NetAssetsOrFundBalancesGrp/BOYAmt | 0 | 255806 |
| IRS990EZ/NetAssetsOrFundBalancesGrp/EOYAmt | 0 | 326959 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 0 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 1 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 2 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 3 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 4 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 5 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 6 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 7 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 8 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 9 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 10 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 11 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 0 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 1 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 3 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 4 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 5 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 6 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 7 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 8 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 9 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 10 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 11 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 0 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 1 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 3 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 4 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 5 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 6 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 7 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 8 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 9 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 10 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/EmployeeBenefitProgramAmt | 11 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 0 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 1 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 3 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 4 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 5 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 6 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 7 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 8 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 9 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 10 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/ExpenseAccountOtherAllwncAmt | 11 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 0 | THERESA GUARINO LIPO |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 1 | SCYLA MURRAY BAIELLI |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 2 | KAREN BARG BALDWIN |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 3 | COLLEEN PHELAN BIGGINS |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 4 | KRISTINE COSTOPOULOS |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 5 | PATI CARPENTER DOSSEY |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 6 | THERESE BRENNOCK |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 7 | KEVIN BRY |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 8 | JOHN COSTOPOULOS |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 9 | CHRISTOPHER DUMELLE |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 10 | DAMIEN QUALLS |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 11 | KILEY NELSON |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 0 | BOARD PRESIDENT |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 1 | VICE-PRESIDENT |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 2 | TREASURER |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 3 | DIRECTOR |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 4 | DIRECTOR |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 5 | DIRECTOR |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 6 | DIRECTOR |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 7 | DIRECTOR |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 8 | DIRECTOR |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 9 | DIRECTOR |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 10 | DIRECTOR |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 11 | DIRECTOR |
| IRS990EZ/OperateHospitalInd | 0 | 0 |
| IRS990EZ/Organization501c3Ind | 0 | X |
| IRS990EZ/OrganizationDissolvedEtcInd | 0 | 0 |
| IRS990EZ/OrganizationHadUBIInd | 0 | 0 |
| IRS990EZ/OtherChangesInNetAssetsAmt | 0 | 29523 |
| IRS990EZ/OtherExpensesTotalAmt | 0 | 2457 |
| IRS990EZ/PartVIHghstPdCntrctProfSrvcTxt | 0 | NONE |
| IRS990EZ/PartVIOfCompOfHghstPdEmplTxt | 0 | NONE |
| IRS990EZ/PoliticalCampaignActyInd | 0 | 0 |
| IRS990EZ/PrimaryExemptPurposeTxt | 0 | THE ALUMNI ASSOCIATION PROVIDES GRANT SUPPORT TO PROGRAMS AND SCHOLARSHIPS THAT BENEFIT CURRENT OPRFHS STUDENTS AND ALSO SPONSORS EVENTS THROUGHOUT THE SCHOOL YEAR WHICH BRING TOGETHER HIGH SCHOOL ALUMNI, INCLUDING NETWORKING AND SOCIAL EVENTS. |
| IRS990EZ/PrintingPublicationsPostageAmt | 0 | 3282 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt | 0 | THE MISSION OF THE OAK PARK AND RIVER FOREST HIGH SCHOOL ALUMNI ASSOCIATION IS TO MAINTAIN AND ENHANCE CONNECTIONS BETWEEN CLASSMATES AND WITH THE OPRFHS COMMUNITY, AND PROVIDE A MEANS FOR FORMER STUDENTS TO GIVE BACK TO THEIR HIGH SCHOOL. THE ALUMNI ASSOCIATION DOES THIS BY SPONSORING EVENTS AND NETWORKING OPPORTUNITIES, AND PROVIDING FUNDING FOR STUDENT-LED ACTIVITIES AND EVENTS THAT BENEFIT CURRENT STUDENTS AND THE WIDER HIGH SCHOOL COMMUNITY |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt | 1 | THE ALUMNI ASSOCIATION ENABLED $3,500 IN ENRICHMENT PROGRAMS FOR CURRENT STUDENTS OF OPRF HIGH SCHOOL AND PROVIDED OF A $40,067 AWARD TO THE OPRF MUSEUM FOR AN EXHIBIT ON THE HIGH SCHOOL'S SESQUICENTENNIAL. |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/GrantsAndAllocationsAmt | 0 | 0 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/GrantsAndAllocationsAmt | 1 | 43567 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/ProgramServiceExpensesAmt | 0 | 13054 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/ProgramServiceExpensesAmt | 1 | 43567 |
| IRS990EZ/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990EZ/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990EZ/SchoolOperatingInd | 0 | 0 |
| IRS990EZ/StatesWhereCopyOfReturnIsFldCd | 0 | IL |
| IRS990EZ/SubjectToProxyTaxInd | 0 | 0 |
| IRS990EZ/SumOfTotalLiabilitiesGrp/BOYAmt | 0 | 0 |
| IRS990EZ/SumOfTotalLiabilitiesGrp/EOYAmt | 0 | 0 |
| IRS990EZ/TanningServicesProvidedInd | 0 | 0 |
| IRS990EZ/TaxImposedOnOrganizationMgrAmt | 0 | 0 |
| IRS990EZ/TaxImposedUnderIRC4911Amt | 0 | 0 |
| IRS990EZ/TaxImposedUnderIRC4912Amt | 0 | 0 |
| IRS990EZ/TaxImposedUnderIRC4955Amt | 0 | 0 |
| IRS990EZ/TaxReimbursedByOrganizationAmt | 0 | 0 |
| IRS990EZ/TotalExpensesAmt | 0 | 70014 |
| IRS990EZ/TotalProgramServiceExpensesAmt | 0 | 56621 |
| IRS990EZ/TotalRevenueAmt | 0 | 111644 |
| IRS990EZ/TrnsfrExmptNonChrtblRltdOrgInd | 0 | 0 |
| IRS990EZ/TypeOfOrganizationCorpInd | 0 | X |
| IRS990EZ/WebsiteAddressTxt | 0 | WWW.OPRFALUMNI.COM |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 102485 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 94082 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 98612 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 165424 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 90224 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 550827 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 9159 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 1 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 1 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 11521 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 20682 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 83357 |
| IRS990ScheduleA/OtherIncome170Grp/TotalAmt | 0 | 83357 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.84110 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.72680 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 550827 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 102485 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 94082 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 98612 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 165424 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 90224 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 550827 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 654866 |
| 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 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | DESCRIPTION: INTEREST INCOME. AMOUNT: 9,159. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | ACTIVITY CLASSIFICATION: GRANT AWARDED TO FOR THE OPRF HIGH SCHOOL'S SESQUICENTENNIAL EXHIBIT. GRANTEE NAME: OPRF MUSEUM. GRANTEE ADDRESS: 129 LAKE STREET OAK PARK, IL 60302. AMOUNT GIVEN: 3,500. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | ACTIVITY CLASSIFICATION: ASSISTANCE FOR FINE ARTS AND MUSIC ENRICHMENT PROGRAMS IN 2024. GRANTEE NAME: OAK PARK AND RIVER FOREST HIGH SCHOOL. GRANTEE ADDRESS: 201 N. SCOVILLE AVE OAK PARK, IL 60302. AMOUNT GIVEN: 40,067. TOTAL INCLUDED ON FORM 990-EZ, LINE 10: 43,567. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | DESCRIPTION: BANK FEES. AMOUNT: 90. DESCRIPTION: INSURANCE. AMOUNT: 660. DESCRIPTION: MISCELLANEOUS EVENT EXPENSES. AMOUNT: 1,560. DESCRIPTION: STATE FILING FEES. AMOUNT: 125. DESCRIPTION: TELEPHONE AND COMMUNICATIONS. AMOUNT: 22. TOTAL TO FORM 990-EZ, LINE 16: 2,457. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | DESCRIPTION: PRIOR YEAR ADJUSTMENT FOR EXPENSES PAID BY ENDOWMENT FUND . AMOUNT: 29,523. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990-EZ, PART I, LINE 4 - OTHER INVESTMENT INCOME |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990-EZ, PART I, LINE 10 - GRANTS AND SIMILAR AMOUNTS PAID |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990-EZ, PART I, LINE 10 - GRANTS AND SIMILAR AMOUNTS PAID |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990-EZ, PART I, LINE 16 - OTHER EXPENSES |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | FORM 990-EZ, PART I, LINE 20 - OTHER CHANGES IN NET ASSETS |
| TransferPrsnlBnftContractsDecl/DeclarationDesc | 0 | THE ORGANIZATION DID NOT, DURING THE YEAR, RECEIVE ANY FUNDS, DIRECTLY,OR INDIRECTLY, TO PAY PREMIUMS ON A PERSONAL BENEFIT CONTRACT.THE ORGANIZATION, DID NOT, DURING THE YEAR, PAY ANY PREMIUMS, DIRECTLY,OR INDIRECTLY, ON A PERSONAL BENEFIT CONTRACT. |
| ReturnHeader/BuildTS | 0 | 2025-03-06 01:10:19Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | 1 |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | THERESA GUARINO LIPO |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | PRESIDENT |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 7084343281 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2025-05-13 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | OAK PARK & RIVER FOREST HS ALUMNI ASSOCI |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | OAKP |
| ReturnHeader/Filer/EIN | 0 | 364511568 |
| ReturnHeader/Filer/PhoneNum | 0 | 7084343281 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | 201 N SCOVILLE AVE |
| ReturnHeader/Filer/USAddress/CityNm | 0 | OAK PARK |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | IL |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 60302 |
| ReturnHeader/IRSResponsiblePrtyInfoCurrInd | 0 | 1 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 362239746 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | SASSETTI LLC |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 2107 SWIFT DRIVE SUITE 210 |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | OAK BROOK |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | IL |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 60523 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 7083861433 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2025-05-06 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | MYRNA MEJIA |
| ReturnHeader/ReturnTs | 0 | 2025-05-15T11:45:21-05:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990EZ |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2024-01-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2024-12-31 |
| ReturnHeader/TaxYr | 0 | 2024 |
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