| Germantown Hills Middle School Booster ClubGermantown Hills | Form 990-EZ | $79,048FY2026 |
| Princeton High School Music BoostersPrinceton | Form 990-EZ | $78,855FY2026 |
| Dundee Township Rotary FoundationDundee | Form 990-EZ | $78,827FY2025 |
| Delta Sigma Boule FoundationOlympia Fields | Form 990-EZ | $78,730FY2025 |
| Gibson City-Melvin-Sibley Booster Club IncGibson City | Form 990-EZ | $78,688FY2025 |
| Brook Park Council of Parents & TeachersLa Grange Park | Form 990-EZ | $78,343FY2025 |
| Pehs Band BoostersPlainfield | Form 990-EZ | $78,252FY2026 |
| Parent Booster USA IncFrankfort | Form 990-EZ | $78,248FY2025 |
| R O W V A Public Schools FoundationAltona | Form 990-EZ | $77,929FY2026 |
| Magura Cultural Center NFPArlington Heights | Form 990-EZ | $77,839FY2025 |
| Aahan Foundation IncNaperville | Form 990-EZ | $77,677FY2025 |
| Our Fallen Hero Foundation in Memory of PFC Aaron ToppenMokena | Form 990-EZ | $77,313FY2025 |
| Moline Music BoostersMoline | Form 990-EZ | $77,270FY2026 |
| Follett Higher Education FoundationWestchester | Form 990-EZ | $76,975FY2025 |
| Vermilion County Farm Bureau FoundationDanville | Form 990-EZ | $76,793FY2025 |
| North Suburban Water Works AssociationLake Bluff | Form 990-EZ | $76,573FY2025 |
| Consolidated High School DISTRICT230 FoundationOrland Park | Form 990-EZ | $76,486FY2026 |
| Spanish LadderAurora | Form 990-EZ | $76,477FY2025 |
| Oregon Rotary Club Foundation Inc C/O David a SmithOregon | Form 990 | $76,153FY2025 |
| Carlin Nalley FoundationPlainfield | Form 990-EZ | $76,114FY2025 |
| Immanuel Luthern School Education FoundationPalatine | Form 990 | $76,088FY2025 |
| St Francis High School Fathers ClubWheaton | Form 990-EZ | $75,745FY2025 |
| Family Counseling Center Housing Alternatives IncVienna | Form 990 | $75,704FY2025 |
| Chicago Headline Club FoundationChicago | Form 990-EZ | $75,646FY2025 |
| Americas Urban CampusChicago | Form 990-EZ | $75,000FY2025 |
| Barbara B Rose School Parent Teacher OrganizationSouth Barrington | Form 990-EZ | $74,904FY2025 |
| Faith Publishers IncOregon | Form 990-EZ | $74,855FY2024 |
| Off Campus Writers WorkshopWinnetka | Form 990-EZ | $74,737FY2025 |
| Byron Wrestling Association LtdByron | Form 990-EZ | $74,337FY2026 |
| Community Sailing School at PistakeeMcHenry | Form 990-EZ | $74,317FY2025 |
| Parent Booster USA IncAntioch | Form 990-EZ | $74,179FY2025 |
| Meadowbrook Parent Teacher OrganizationNorthbrook | Form 990-EZ | $74,060FY2025 |
| Little Achievers AcademyGibson City | Form 990-EZ | $73,682FY2025 |
| Palos District 118 PfaPalos Park | Form 990-EZ | $73,666FY2025 |
| Lift Womens FoundationRock Island | Form 990 | $73,534FY2024 |
| Illinois Congress of Parents TeachersGlen Ellyn | Form 990-EZ | $73,467FY2025 |
| South Elgin High School Booster FoundationSouth Elgin | Form 990-EZ | $73,410FY2025 |
| Lemont High School EducationalfoundationLemont | Form 990-EZ | $73,258FY2025 |
| Camp - A Fasd CommunityTinley Park | Form 990-EZ | $72,943FY2025 |
| Edison Park Elementary FoundationChicago | Form 990-EZ | $72,847FY2025 |
| Itasca Parent Teacher OrganizationItasca | Form 990-EZ | $72,736FY2025 |
| Leyden High Schools FoundationFranklin Park | Form 990-EZ | $72,648FY2025 |
| Community Connections FundForest Park | Form 990-EZ | $72,564FY2026 |
| Curiosity CampPark Ridge | Form 990-EZ | $72,421FY2025 |
| Harry D Jacobs Golden Eagles Athletic Booster Club IncAlgonquin | Form 990-EZ | $72,125FY2025 |
| The Lane School Parent-Teacher Organization of HinsdaleHinsdale | Form 990-EZ | $72,031FY2025 |
| Hamilton County Schools FoundationMcLeansboro | Form 990-EZ | $71,905FY2023 |
| St Barnabas School Parent FoundationChicago | Form 990-EZ | $71,852FY2025 |
| Albert L Gunn Barbara J Gunn Foundation IncChicago | Form 990-EZ | $71,450FY2026 |
| Wilmington School District 209-U Foundation for ExcellenceWilmington | Form 990-EZ | $71,419FY2024 |