| The Management CenterWashington | Form 990 | $15,118,959FY2025 |
| Working America Education FundWashington | Form 990 | $15,106,867FY2025 |
| R Street InstituteWashington | Form 990 | $15,095,416FY2024 |
| Way to RiseWashington | Form 990 | $13,810,680FY2024 |
| National Migrant and Seasonal Head Start AssociationWashington | Form 990 | $13,491,584FY2024 |
| Institute for Strategic Dialogue UsWashington | Form 990 | $12,799,684FY2024 |
| American Educational Research AssociationWashington | Form 990 | $12,546,717FY2024 |
| National Disability Institute IncWashington | Form 990 | $12,496,352FY2024 |
| American Association of Collegiate Registrars and Admissions OfficersWashington | Form 990 | $12,390,173FY2025 |
| Fwdus Education Fund IncWashington | Form 990 | $12,307,961FY2024 |
| American Cornerstone Institute IncWashington | Form 990 | $12,057,456FY2024 |
| American Association of State Colleges and UniversitiesWashington | Form 990 | $11,763,123FY2025 |
| Defending Democracy Together InstituteWashington | Form 990 | $11,607,219FY2025 |
| Asian and Pacific Islander American Scholarship FundWashington | Form 990 | $11,118,146FY2025 |
| Across the Aisle IncWashington | Form 990 | $10,925,888FY2024 |
| Council for Christian Colleges and UniversitiesWashington | Form 990 | $9,955,413FY2025 |
| FPF Education and Innovation FoundationWashington | Form 990 | $9,862,821FY2024 |
| Local Progress Policy InstituteWashington | Form 990 | $9,586,323FY2024 |
| American Association of Veterinary Medical CollegesWashington | Form 990 | $9,488,498FY2025 |
| News Literacy Project IncWashington | Form 990 | $9,461,945FY2025 |
| AIDS UnitedWashington | Form 990 | $9,344,059FY2025 |
| International Womens ForumWashington | Form 990 | $9,295,969FY2025 |
| Telescope FoundationWashington | Form 990 | $9,012,397FY2024 |
| American Association for Physician Leadership IncWashington | Form 990 | $8,676,095FY2025 |
| The Coleridge Initiative IncWashington | Form 990 | $8,438,574FY2024 |
| Institute for the Study of War IncWashington | Form 990 | $8,244,937FY2024 |
| National Fund for Excellence in American Indian EducationWashington | Form 990 | $8,223,515FY2024 |
| Council of Graduate SchoolsWashington | Form 990 | $8,111,862FY2024 |
| American Immunization Registry AssociationWashington | Form 990 | $8,003,530FY2025 |
| National Association of State Treasurers Foundation IncWashington | Form 990 | $7,651,520FY2025 |
| Association of Research LibrariesWashington | Form 990 | $7,566,056FY2025 |
| University Professional & Continuing Education AssociationWashington | Form 990 | $7,249,374FY2025 |
| The Nea Foundation for the Improvement of EducationWashington | Form 990 | $6,815,298FY2025 |
| National College Attainment NetworkWashington | Form 990 | $6,586,460FY2025 |
| The Institute for Educational Leadership IncWashington | Form 990 | $6,579,512FY2025 |
| Association of American Law Schools IncWashington | Form 990 | $6,354,385FY2025 |
| Student Freedom Initiative IncWashington | Form 990 | $6,005,581FY2025 |
| Frameworks InstituteWashington | Form 990 | $5,952,829FY2025 |
| Military Bowl Foundation IncWashington | Form 990 | $5,879,113FY2025 |
| School for Ethics and Global LeadershipWashington | Form 990 | $5,824,448FY2025 |
| National Council on Teacher QualityWashington | Form 990 | $5,720,895FY2025 |
| Excelencia in Education IncWashington | Form 990 | $5,651,174FY2025 |
| Consortium of Universities of the Washington Metropolitan AreaWashington | Form 990 | $5,509,891FY2025 |
| American Constitution Society for Law and PolicyWashington | Form 990 | $5,507,137FY2024 |
| Schoolhouse ConnectionWashington | Form 990 | $5,482,569FY2024 |
| Ahla Foundation IncWashington | Form 990 | $5,469,164FY2024 |
| Consortium for School NetworkingWashington | Form 990 | $5,442,446FY2025 |
| National Caucus of Environmental LegislatorsWashington | Form 990 | $5,417,353FY2025 |
| National Council for Community and Education PartnershipsWashington | Form 990 | $5,251,093FY2024 |
| Credential Engine IncWashington | Form 990 | $5,048,962FY2024 |