| Crockett ISD, TX (District) |
| Crofton Community Schools, NE (District) |
| Cromwell School District, CT (District) |
| Cromwell-Wright Public Schools, MN (District) |
| Crook County, WY (ISD) |
| Crook County, OR (ISD) |
| Crook County School District #1, WY (District) |
| Crook County Sd, OR (District) |
| Crooked Oak, OK (District) |
| Crookston Public School District, MN (District) |
| Crooksville Exempted Village School District, OH (District) |
| Crosby County, TX (ISD) |
| Crosby ISD, TX (District) |
| Crosby-Ironton Public School Dist., MN (District) |
| Crosbyton Cisd, TX (District) |
