| Ascendium Education Solutions IncMadison | Form 990 | $186,045,000FY2025 |
| Ascendium Education Group IncMadison | Form 990 | $118,061,993FY2025 |
| Viterbo College IncLa Crosse | Form 990 | $68,029,294FY2025 |
| Four Lakes Education IncMcFarland | Form 990 | $47,586,293FY2025 |
| Cooperative Educational Service Agency 6Oshkosh | Form 990 | $35,523,247FY2025 |
| St Coletta of Wisconsin IncJefferson | Form 990 | $30,419,429FY2025 |
| Nbi-Sems IncAltoona | Form 990 | $24,299,859FY2025 |
| Aspiro IncGreen Bay | Form 990 | $22,799,599FY2025 |
| Madison Country Day School IncWaunakee | Form 990 | $19,075,526FY2025 |
| Discovery World LtdMilwaukee | Form 990 | $15,677,245FY2025 |
| Milwaukee Area Technical College Foundation IncMilwaukee | Form 990 | $14,788,630FY2025 |
| Educational Credential Evaluators IncMilwaukee | Form 990 | $12,014,141FY2025 |
| University of Wisconsin Green Bay Foundation IncGreen Bay | Form 990 | $11,835,394FY2025 |
| Uw-Stout Foundation and Alumni Association IncMenomonie | Form 990 | $11,611,125FY2025 |
| Milwaukee Scholars Charter School IncMilwaukee | Form 990 | $11,120,005FY2025 |
| All-in Milwaukee IncMilwaukee | Form 990 | $9,891,370FY2025 |
| Uw-Platteville Foundation IncPlatteville | Form 990 | $8,783,365FY2025 |
| Wayland AcademyBeaver Dam | Form 990 | $8,667,294FY2025 |
| Wisconsin Association of Independent Colleges and UniversitMadison | Form 990 | $8,340,936FY2025 |
| Uw-Whitewater Foundation IncWhitewater | Form 990 | $7,517,601FY2025 |
| Friends of the Elisha D Smith Public Library IncMenasha | Form 990 | $7,413,454FY2024 |
| University of Wisconsin River Falls FoundationRiver Falls | Form 990 | $7,371,427FY2025 |
| Madison Area Technical College Foundation IncMadison | Form 990 | $6,768,986FY2025 |
| Wisconsin Manufacturing Extension Partnership IncMadison | Form 990 | $6,718,163FY2024 |
| Wisconsin Center for Manufacturing and Productivity IncMadison | Form 990 | $6,109,968FY2025 |
| National Centers for Learning Excellence IncWaukesha | Form 990 | $6,043,712FY2025 |
| Door County YMCA IncSturgeon Bay | Form 990 | $5,733,069FY2025 |
| Madison Public Library Foundation IncMadison | Form 990 | $5,556,917FY2025 |
| World Dairy Expo IncMadison | Form 990 | $5,340,175FY2025 |
| Western Great Lakes Finishing Trades InstituteBig Bend | Form 990 | $5,270,163FY2025 |
| Playing Field IncMadison | Form 990 | $5,032,176FY2025 |
| Badgerland After School Enrichment Program IncFort Atkinson | Form 990 | $5,005,497FY2025 |
| Leaders Igniting Transformation Education Fund IncMilwaukee | Form 990 | $4,817,703FY2024 |
| Center for Urban Teaching IncMilwaukee | Form 990 | $4,774,958FY2025 |
| University of Wisconsin Oshkosh Foundation IncOshkosh | Form 990 | $4,433,150FY2025 |
| Yerkes Future Foundation IncWilliams Bay | Form 990 | $4,427,319FY2024 |
| Sheboygan Human Rights Association IncSheboygan | Form 990 | $4,256,373FY2025 |
| City Forward Collective IncMilwaukee | Form 990 | $4,213,458FY2025 |
| Hodan Community Services IncMineral Point | Form 990 | $3,713,697FY2024 |
| Milwaukee Math and Science Academy IncMilwaukee | Form 990 | $3,579,865FY2025 |
| Wisconsin Virtual Learning IncFredonia | Form 990 | $3,414,254FY2025 |
| Difference Principle IncMilwaukee | Form 990 | $3,379,892FY2024 |
| Wisconsin Hispanic Scholarship Foundation IncMilwaukee | Form 990 | $3,352,840FY2024 |
| Literacy Network IncMadison | Form 990 | $2,954,170FY2025 |
| Literacy Services of Wisconsin IncMilwaukee | Form 990 | $2,860,664FY2025 |
| Menomini You IncKeshena | Form 990 | $2,523,341FY2024 |
| Sun Prairie Public Library Foundation IncSun Prairie | Form 990 | $2,511,164FY2024 |
| Abundant Life Christian Schoolfoundation IncMadison | Form 990 | $2,501,164FY2025 |
| Chippewa Valley Technical College Foundation IncEau Claire | Form 990 | $2,471,428FY2025 |
| Northeast Wisconsin Technical College Education FoundationGreen Bay | Form 990 | $2,448,605FY2025 |