| Cobre Consolidated Schools, NM (District) |
| Cobre Valley Institute Of Technology District, AZ (District) |
| Cocalico SD, PA (District) |
| Cocheco Arts And Technology Academy, NH (District) |
| Cochise Community Development Corporation, AZ (District) |
| Cochise County, AZ (ISD) |
| Cochise County Juvenile Detention, AZ (District) |
| Cochise Elementary District, AZ (District) |
| Cochise Technology District, AZ (District) |
| Cochran County, TX (ISD) |
| Cochrane-Fountain City School District, WI (District) |
| Cocke County, TN (ISD) |
| Cocke County, TN (District) |
| Coconino Association For Vocation Industry And Technology, AZ (District) |
| Coconino County, AZ (ISD) |
