| Healing in AmericaOjai | Form 990-N | No figure |
| Parent Booster USA IncSan Mateo | Form 990-N | No figure |
| Cambodian Genocide Resource CenterFremont | Form 990-N | No figure |
| Pioneer School Parent ClubBrentwood | Form 990-EZ | $42,416FY2025 |
| The Heinlein SocietyLong Beach | Form 990-N | No figure |
| Creative Community Education FoundationAlameda | Form 990-N | No figure |
| Privacy Law Scholars FoundationSan Francisco | Form 990-N | No figure |
| Gault Parent Teacher OrganizationSanta Cruz | Form 990-EZ | $42,186FY2025 |
| Brea Olinda High School Aquatics Booster ClubBrea | Form 990-N | No figure |
| Stop GCT IncCampbell | Form 990-N | No figure |
| Cobb Mountain Elementary School PTO IncCobb | Form 990-EZ | $42,095FY2025 |
| Dixon Montessori Charter School Parent Teacher OrganizationDixon | Form 990-N | No figure |
| Silver Strand Elementary Parent-Teacher OrganizationCoronado | Form 990-EZ | $41,961FY2025 |
| Industrial Design Outreach IncSan Francisco | Form 990-N | No figure |
| Telesis Academy of S&M PTOWest Covina | Form 990-EZ | $41,946FY2025 |
| Serrano Instrumental Music AssociationPhelan | Form 990-N | No figure |
| Southport Elementary PTO IncWest Sacramento | Form 990-EZ | $41,880FY2025 |
| STEM CoalitionRancho Palos Verdes | Form 990-N | No figure |
| Huys FoundationWest Hollywood | Form 990-N | No figure |
| El Captain Football Booster ClubLakeside | Form 990-N | No figure |
| Woodside High School Music Booster OrganizationWoodside | Form 990-EZ | $41,745FY2026 |
| El Pollo Loco CharitiesCosta Mesa | Form 990-N | No figure |
| Cve PataCastro Valley | Form 990-N | No figure |
| Palmdale Aerospace Academy PtsoPalmdale | Form 990-EZ | $41,634FY2025 |
| Friedman & Friends Education Fund IncVan Nuys | Form 990-N | No figure |
| McKinley Elementary Parents As Educational PartnersSan Gabriel | Form 990-EZ | $41,623FY2025 |
| Fountain Valley High School Girls Basketball Booster ClubFountain Valley | Form 990-N | No figure |
| Ursuline Alumnae AssociationSanta Rosa | Form 990-EZ | $41,575FY2025 |
| Grace International Educational ConsultingMoreno Valley | Form 990-N | No figure |
| Alpha Omega International Dental Fraternity IncLos Angeles | Form 990-N | No figure |
| Murray School Parent Faculty ClubDublin | Form 990-N | No figure |
| Major Lucas Gruenther Legacy FoundationTuolumne | Form 990-EZ | $41,513FY2025 |
| Parent Booster USA IncValencia | Form 990-N | No figure |
| Mark Twain Badger BoostersAngels Camp | Form 990-EZ | $41,471FY2023 |
| Monterey High School Instrumental Music BoostersMonterey | Form 990-EZ | $41,429FY2025 |
| Little Owl Foundation for Childhood Education IncLong Beach | Form 990-N | No figure |
| Liddell Parent Faculty ClubFresno | Form 990-EZ | $41,391FY2025 |
| Stone Lake Elementary School Parent Teacher OrganizationElk Grove | Form 990-EZ | $41,344FY2025 |
| Cloverland Parent-Teacher ClubOakdale | Form 990-EZ | $41,288FY2026 |
| Start Out Smart - ReadSan Bernardino | Form 990-N | No figure |
| MHS Green Machine Football BoostersMonterey | Form 990-EZ | $41,131FY2025 |
| Grover Beach Elementary School Parent Teacher OrganizationGrover Beach | Form 990-N | No figure |
| Larkspur Library Endowment Fund and FoundationLarkspur | Form 990 | $41,031FY2024 |
| Institute for Rural Education and Development USASacramento | Form 990-N | No figure |
| Cottwood Community LibraryCottonwood | Form 990-N | No figure |
| CDM Wrestling BoostersNewport Beach | Form 990-N | No figure |
| College of the WestLos Angeles | Form 990-N | No figure |
| Angels Camp Museum FoundationAngels Camp | Form 990-N | No figure |
| Friends of Walton Booster ClubStockton | Form 990-EZ | $40,891FY2025 |
| Corps Publications IncWalnut Creek | Form 990-N | No figure |