| cacharterschools.org | Charter Schools Development Center (CSDC) |
| brookings.edu | The Brookings Institution |
| honestedu.org | Alliance for the Separation of School and State |
| bc.edu | School Choice and Policy Advocacy |
| reason.com | Reason magazine - Schools of Thought |
| childrenfirstamerica.org | Children's Educational Opportunity Foundation |
| cascadepolicy.org | Charter Schools Kiwi-style |
| edreform.com | Center for Education Reform |
| 4brevard.com | 4choice - School Choice Without School Vouchers |
| towardtradition.org | Diligently to Thy Children: The Case for School Choice |
United States , Texas , Houston