- Annenberg Foundation
- Charles Stewart Mott Foundation
- Dominion
- Ford Foundation
- Fred F. Silk Charitable Foundation
- George Gund Foundation
- Goldman Sachs Foundation
- Hoover Foundation
- James Irvine Foundation
- KnowledgeWorks Foundation
- Lilly Endowment, Inc.
- Martha Holden Jennings Foundation
- MetLife Foundation
- Nellie Mae Education Foundation
- New York Community Trust
- Ohio College Access Network
- Open Society Institute
- Paul & Carol David Foundation
- Plan for Social Excellence, Inc.
- Public Education Network (PEN)
