| Caswell County, NC (ISD) |
| Caswell County Schools, NC (District) |
| Caswell School Department, ME (District) |
| Catahoula Parish, LA (ISD) |
| Catahoula Parish, LA (District) |
| Catalina Foothills Unified District, AZ (District) |
| Catalyst Academy CS, PA (PSA) |
| Catalyst Public Schools, WA (PSA) |
| Catasauqua Area SD, PA (District) |
| Catawba County, NC (ISD) |
| Catawba County Schools, NC (District) |
| Cathedral Home For Children Administration Office, WY (District) |
| Catherine Ferguson Academy, MI (PSA) |
| Cato-meridian Central School District, NY (District) |
| Catoosa, OK (District) |
