| National Federation of Modern Language Teachers AssociationsMarlborough | Form 990 | $271,153FY2025 |
| Kind Hands Adult Social Day Program IncEast Longmeadow | Form 990 | $269,593FY2025 |
| Massachusetts Association for Health Physical EducationAttleboro | Form 990 | $268,101FY2026 |
| Wayland Public Schools Parent Teacher Organization IncWayland | Form 990 | $267,530FY2023 |
| Nantucket Comedy Festival IncNantucket | Form 990 | $267,526FY2024 |
| Partners in Sex Education IncNewton | Form 990 | $267,420FY2025 |
| Driscoll School Parent - Teacher OrganizationBrookline | Form 990 | $266,989FY2025 |
| Bricks for the Blind IncNewton | Form 990 | $264,869FY2025 |
| Link to Libraries IncHampden | Form 990 | $264,855FY2025 |
| Anaya Scholars IncBoston | Form 990 | $264,251FY2025 |
| Alumni Association of Fitchburg High School IncorporatedFitchburg | Form 990 | $263,897FY2025 |
| The Bridgeway Group IncSomerville | Form 990 | $262,164FY2024 |
| Higher Education Makerspaces Initiative IncCambridge | Form 990 | $257,235FY2023 |
| US Friends of the Van Leer Jerusalem InstituteRockport | Form 990 | $257,013FY2025 |
| Ming Hui Academy Boston IncCambridge | Form 990 | $254,669FY2025 |
| Parents of Students of Phillips Academy IncorporatedAndover | Form 990 | $254,354FY2025 |
| Becket Athenaeum IncBecket | Form 990 | $253,552FY2025 |
| Case High Scholarship Trust IncSwansea | Form 990 | $252,954FY2025 |
| Berkshires Tomorrow IncPittsfield | Form 990 | $252,861FY2025 |
| Little Fox Shop IncArlington | Form 990 | $249,436FY2024 |
| Massachusetts Organization of Educational CollaborativesOsterville | Form 990 | $248,531FY2025 |
| The Real Program IncLynn | Form 990 | $248,178FY2024 |
| Cohasset Maritime Institute IncCohasset | Form 990 | $247,906FY2024 |
| Center for Arts - Design & Social ResearchWayland | Form 990 | $245,640FY2024 |
| Project Deep Association IncDorchester | Form 990 | $244,681FY2025 |
| Prime Time Extended Learning Services IncLynnfield | Form 990 | $240,908FY2025 |
| Latinx Community Center for Empowerment LcceLowell | Form 990 | $240,558FY2024 |
| Colleen E Ritzer Memorial Fund IncAndover | Form 990 | $240,076FY2025 |
| Options in Education IncWest Tisbury | Form 990 | $240,051FY2023 |
| Solidarity Arts & Education Decolonial Initiatives CollectiveAuburn | Form 990 | $238,997FY2025 |
| International Mentoring Foundation for the Advancement of Higher EdNeedham | Form 990 | $238,687FY2025 |
| Westfield Technical Academy Foundation IncWestfield | Form 990 | $237,552FY2024 |
| National Premium Tax Conference IncMillis | Form 990 | $233,430FY2025 |
| Fortaleza IncLowell | Form 990 | $232,835FY2025 |
| Building Bridges EducationBoston | Form 990 | $232,731FY2025 |
| Sail As You AreBoston | Form 990 | $231,878FY2024 |
| Massachusetts Library AssociationWestborough | Form 990 | $231,319FY2025 |
| Simply Circus CorpNewton | Form 990 | $231,254FY2024 |
| Whelden Memorial Library CorpWest Barnstable | Form 990 | $231,117FY2025 |
| Manchaug Pond Foundation IncManchaug | Form 990 | $229,589FY2024 |
| Blood Project IncActon | Form 990 | $226,724FY2025 |
| Connecticut Library Association IncBelchertown | Form 990 | $226,581FY2025 |
| Memorial-Spauling Parent Teacher Organization IncNewton Center | Form 990 | $224,586FY2025 |
| Veterinary Scholarship Trust of New EnglandNorth Attleboro | Form 990 | $223,049FY2025 |
| Alliance of Christian Home Education Leadership IncHolden | Form 990 | $221,583FY2025 |
| Littleton Scholarship TrustLittleton | Form 990 | $221,272FY2024 |
| Rehoboth Lions Club IncRehoboth | Form 990 | $220,353FY2025 |
| Friends of Boston International High School and Newcomers AcademyBoston | Form 990 | $220,300FY2025 |
| Voices Boston IncBrookline | Form 990 | $219,822FY2025 |
| Boston Day and Evening Academy Foundation IncRoxbury | Form 990 | $219,096FY2025 |