| Campbellsville Independent Schools, KY (District) |
| Campo Re-6, CO (District) |
| Campton School District, NH (District) |
| Camptonville Elementary, CA (District) |
| Campus Community Charter School, DE (PSA) |
| Canaan Community Academy, IN (District) |
| Canaan School District, CT (District) |
| Canadian, OK (District) |
| Canadian County, OK (ISD) |
| Canadian ISD, TX (District) |
| Canadian Valley, OK (District) |
| Canadian Valley, OK (District) |
| Canajoharie Central School District, NY (District) |
| Canal Winchester Local School District, OH (District) |
| Canandaigua City School District, NY (District) |
