| Cedar Grove-Belgium Area School District, WI (District) |
| Cedar Hill ISD, TX (District) |
| Cedar Mountain School District, MN (District) |
| Cedar Rapids Comm School District, IA (District) |
| Cedar Rapids Public School, NE (District) |
| Cedar Ridge School District, AR (District) |
| Cedar Riverside Community School, MN (District) |
| Cedar Springs Public Schools, MI (District) |
| Cedar Unified District, AZ (District) |
| Cedar Vale, KS (District) |
| Cedarburg School District, WI (District) |
| Cedars International Academy, TX (PSA) |
| Cedarville School District, AR (District) |
| Celeste ISD, TX (District) |
| Celina City School District, OH (District) |
