| Centralia School District, WA (District) |
| Centralia SD 135, IL (District) |
| Centre, KS (District) |
| Centre County, PA (ISD) |
| Centre Learning Community Cs, PA (PSA) |
| Centreville Public Schools, MI (District) |
| Centura Public Schools, NE (District) |
| Century CUSD 100, IL (District) |
| CEO Leadership Academy Agency, WI (PSA) |
| Ceres Unified, CA (District) |
| Cerro Gordo County, IA (ISD) |
| Cerro Gordo CUSD 100, IL (District) |
| Cesa, FL (District) |
| Cesar Chavez Academy, MI (PSA) |
| Cesar Chavez College Preparatory School, OH (PSA) |
