| Cedar Unified District, AZ (District) |
| Cedar Vale, KS (District) |
| Cedarburg School District, WI (District) |
| Cedars International Academy, TX (PSA) |
| Cedarville School District, AR (District) |
| Celebrate Dyslexia School, TX (PSA) |
| Celeste ISD, TX (District) |
| Celina City School District, OH (District) |
| Celina ISD, TX (District) |
| Cement, OK (District) |
| Centennial Boces, CO (District) |
| Centennial Boces, CO (District) |
| Centennial Public School District, MN (District) |
| Centennial Public Schools, NE (District) |
| Centennial R-1, CO (District) |
