| Cumberland County Schools, NC (District) |
| Cumberland County Schools, KY (District) |
| Cumberland CUSD 77, IL (District) |
| CUMBERLAND REGIONAL SCHOOL DISTRICT, NJ (District) |
| Cumberland School District, WI (District) |
| Cumberland Valley SD, PA (District) |
| Cumberland-Perry Avts, PA (District) |
| Cumby ISD, TX (District) |
| Cuming County, NE (ISD) |
| Cunningham, KS (District) |
| Cupertino Union, CA (District) |
| Curlew School District, WA (District) |
| Currituck County, NC (ISD) |
| Currituck County Schools, NC (District) |
| Curry County, OR (ISD) |
