| Friends of Cutler Elementary School IncSouth Hamilton | Form 990-EZ | $60,330FY2025 |
| Edith C Baker School Parent-Teacher OrganizationChestnut Hill | Form 990-EZ | $60,163FY2025 |
| Sprague School Parent Teacher Organization IncWellesley | Form 990-EZ | $60,101FY2025 |
| Seeding VenturesSpringfield | Form 990-EZ | $60,000FY2024 |
| Farley Home and School Association IncHudson | Form 990-EZ | $59,879FY2026 |
| Mansfield Elementary School AssociationMansfield | Form 990-EZ | $59,877FY2025 |
| Belmont High School PTO IncBelmont | Form 990-EZ | $59,713FY2025 |
| Martin School AssociationNorth Attleboro | Form 990-EZ | $59,433FY2025 |
| Amherst Education Foundation IncAmherst | Form 990-EZ | $59,142FY2025 |
| A Wellness Education NetworkSterling | Form 990-EZ | $59,053FY2025 |
| Hatherly Elementary School PTO IncScituate | Form 990-EZ | $58,903FY2025 |
| Masconomet High School Football Boosters IncBoxford | Form 990-EZ | $58,803FY2025 |
| Consequence Magazine IncHull | Form 990-EZ | $58,791FY2025 |
| Mbadika IncMalden | Form 990-EZ | $58,753FY2025 |
| Demello School P T O IncSouth Dartmouth | Form 990-EZ | $58,732FY2025 |
| Hispanic-American Library IncSpringfield | Form 990-EZ | $58,501FY2025 |
| Next Generation of Giving and Philanthropy IncNahant | Form 990-EZ | $58,374FY2025 |
| Pollard Memorial Library Foundation IncLowell | Form 990-EZ | $58,315FY2025 |
| Falls School Parent OrganizationNorth Attleboro | Form 990-EZ | $58,215FY2025 |
| Reading Rotary Charitable TRReading | Form 990-EZ | $57,938FY2025 |
| Dipietro Elementary PTOBellingham | Form 990-EZ | $57,918FY2025 |
| Friends of the Westport Library IncWestport | Form 990-EZ | $57,912FY2025 |
| Friends of the Sandwich Public Library IncSandwich | Form 990-EZ | $57,810FY2025 |
| Friends of the Belmont Public Library IncorporatedBelmont | Form 990 | $57,772FY2025 |
| Southport Residents Scholarship FundMashpee | Form 990-EZ | $57,759FY2025 |
| Stanley Elementary School PTOSwampscott | Form 990-EZ | $57,733FY2024 |
| Auburn Ma PTOAuburn | Form 990-EZ | $57,593FY2025 |
| Newburyport Literary Association IncNewburyport | Form 990-EZ | $57,126FY2026 |
| Woburn Public Library Foundation IncWoburn | Form 990 | $57,012FY2025 |
| Project to Advance Stenographic Reporting IncGrafton | Form 990-EZ | $56,975FY2024 |
| Lunenburg Ayer Shirley High School Hockey Booster ClubLunenburg | Form 990-EZ | $56,874FY2025 |
| Beverly Citywide Parent Teacher OrganizationBeverly | Form 990-EZ | $56,769FY2025 |
| Association for Political Theory IncAmherst | Form 990-EZ | $56,712FY2025 |
| For the Love of K Gardens IncSudbury | Form 990-EZ | $56,695FY2024 |
| The Lucretia & Joseph Brown School Parent Teacher Organization IncMarblehead | Form 990-EZ | $56,668FY2025 |
| Benjamin Franklin Classical Charter School Public Parent Community OrgFranklin | Form 990-EZ | $56,612FY2025 |
| New Marlborough-Monterey PTA of Marlborough MassachusettsMill River | Form 990-EZ | $56,510FY2025 |
| Witness Tree Institute of GhanaMaynard | Form 990-EZ | $56,489FY2025 |
| Framingham Public Library FoundationFramingham | Form 990-EZ | $56,421FY2025 |
| Think Outside IncJamaica Plain | Form 990-EZ | $56,381FY2026 |
| Swampscott Middle School Parent Teacher OrganizationSwampscott | Form 990-EZ | $56,027FY2023 |
| WHS XC Track BoostersWalpole | Form 990-EZ | $55,997FY2025 |
| Lilja Elementary School PTONatick | Form 990-EZ | $55,982FY2025 |
| Lancaster Parent Teacher OrganizationLancaster | Form 990-EZ | $55,898FY2025 |
| Maria Hastings PTO IncLexington | Form 990-EZ | $55,812FY2024 |
| Millis Mohawks Boosters IncMillis | Form 990-EZ | $55,723FY2026 |
| South School PTOHingham | Form 990-EZ | $55,696FY2025 |
| Alice M Barrows Parent-Teachers OrganizationReading | Form 990-EZ | $55,402FY2025 |
| Center for Science EngagementRandolph | Form 990-EZ | $55,358FY2025 |
| Joseph R Dawe Jr School PTOStoughton | Form 990-EZ | $55,100FY2025 |