| Necma Foundation IncNorton | Form 990 | $55,077FY2025 |
| Girls Angle IncCambridge | Form 990-EZ | $54,947FY2025 |
| Winchester High School Parent Faculty AssociationWinchester | Form 990-EZ | $54,941FY2025 |
| Potter Road School Parent Teacher OrganizationFramingham | Form 990-EZ | $54,768FY2025 |
| Pinnacle Study Group IncBraintree | Form 990-EZ | $54,761FY2025 |
| Friendly Knights of St Patrick IncLynn | Form 990-EZ | $54,690FY2024 |
| Friends of the Dover LibraryDover | Form 990-EZ | $54,636FY2025 |
| Friends of the Ashland Public Library IncAshland | Form 990-EZ | $54,488FY2025 |
| Brown School Parent Teacher OrganizationNatick | Form 990-EZ | $54,488FY2025 |
| Andover Football Boosters Association IncAndover | Form 990-EZ | $54,439FY2026 |
| Kingston Parent Teacher Organization IncKingston | Form 990-EZ | $54,311FY2026 |
| Millbury Parents ClubMillbury | Form 990-EZ | $54,278FY2025 |
| Merrimac PTOMerrimac | Form 990-EZ | $54,185FY2025 |
| E Ethel Little School Parents Teachers OrganizationNorth Reading | Form 990-EZ | $54,169FY2025 |
| Thomson School PTONorth Andover | Form 990-EZ | $54,151FY2025 |
| The HMB Nursing ScholarshipBoston | Form 990-EZ | $54,111FY2025 |
| Marshfield High School Athletic Boosters IncMarshfield | Form 990-EZ | $53,951FY2025 |
| Starehe Foundation IncLowell | Form 990-EZ | $53,733FY2024 |
| East Bridgewater Music Parents Association IncEast Bridgewater | Form 990-EZ | $53,702FY2025 |
| Bigelow Middle School Parent- Teacher Organization IncNewton | Form 990-EZ | $53,534FY2025 |
| Berkley Parent Teachers OrganizationBerkley | Form 990-EZ | $53,466FY2025 |
| Friends of the Flint Public LibraryMiddleton | Form 990-EZ | $53,345FY2025 |
| North Beverly Elementary School Parent Teacher OrganizationBeverly | Form 990-EZ | $53,140FY2025 |
| Gibbs-Ottoson Parent Teacher OrganizationArlington | Form 990-EZ | $52,954FY2025 |
| Saras Wish FoundationAmherst | Form 990-EZ | $52,801FY2025 |
| Friends of Sunderland Public LibrarySunderland | Form 990-EZ | $52,780FY2025 |
| North Pembroke Elementary School Parent-Teacher OrganizationPembroke | Form 990-EZ | $52,756FY2025 |
| STEM Advocacy InstituteBoston | Form 990-EZ | $52,714FY2025 |
| Waltham Gridiron Club Foundation IncWaltham | Form 990-EZ | $52,446FY2024 |
| Bennett School PTOTaunton | Form 990-EZ | $52,432FY2026 |
| Concord Middle School PTGConcord | Form 990-EZ | $52,367FY2025 |
| Framingham Townwide PTO CouncilFramingham | Form 990-EZ | $52,331FY2025 |
| Barre Library AssociationBarre | Form 990 | $52,304FY2025 |
| The Beverly Education Foundation IncBeverly | Form 990-EZ | $52,269FY2026 |
| Holyoke Rotary Foundation IncHolyoke | Form 990-EZ | $52,139FY2026 |
| Topsfield Elementary School Parent Teacher OrganizationTopsfield | Form 990-EZ | $52,033FY2025 |
| Josiah a Spaulding Education FundManchester | Form 990-EZ | $51,980FY2025 |
| WB Community Scholarship Foundation IncWest Bridgewater | Form 990 | $51,956FY2025 |
| South Yarmouth Library AssociationSouth Yarmouth | Form 990 | $51,953FY2025 |
| Gordon W Mitchell Middle School PTAEast Bridgewater | Form 990-EZ | $51,815FY2025 |
| Longmeadow Educational Excellence Foundation IncLongmeadow | Form 990 | $51,723FY2025 |
| Sapan FoundationCambridge | Form 990-EZ | $51,565FY2025 |
| T Dustin Alward Memorial FundRandolph | Form 990-EZ | $51,534FY2024 |
| Zentangle Foundation IncWhitinsville | Form 990-EZ | $51,374FY2025 |
| J W Killam Parent Teacher Organization IncReading | Form 990-EZ | $51,308FY2025 |
| Dallin Elementary School Parent Teacher OrganizationArlington | Form 990-EZ | $51,108FY2025 |
| Cove Parent-Teacher OrganizationBeverly | Form 990-EZ | $51,038FY2025 |
| Coalition for Newton Community Education IncNewton | Form 990-EZ | $51,027FY2025 |
| Wenham Village Improvement Society IncWenham | Form 990 | $50,966FY2025 |
| Annie L Sargent School PTO IncNorth Andover | Form 990-EZ | $50,855FY2025 |