| Coney Island Preparatory Public Charter School, NY (PSA) |
| Confluence Academies, MO (District) |
| Congress Elementary District, AZ (District) |
| Connally ISD, TX (District) |
| Conneaut Area City School District, OH (District) |
| Conneaut SD, PA (District) |
| Connecticut Department of Education, CT (State) |
| Connecticut Technical High School System, CT (District) |
| Connellsville Area Career & Technical Center, PA (District) |
| Connellsville Area SD, PA (District) |
| Connetquot Central School District, NY (District) |
| Conotton Valley Union Local School District, OH (District) |
| Conrad Elem, MT (District) |
| Conrad H S, MT (District) |
| Conrad Weiser Area SD, PA (District) |
