| Cottonwood, OK (District) |
| Cottonwood Classical Prep, NM (PSA) |
| Cottonwood County, MN (ISD) |
| Cottonwood Elem, MT (District) |
| Cottonwood Elem, MT (District) |
| Cottonwood Elem, MT (District) |
| Cottonwood Joint District, ID (District) |
| Cottonwood Union Elementary, CA (District) |
| Cottonwood Valley Charter School, NM (PSA) |
| Cottonwood-Oak Creek Elementary District, AZ (District) |
| Cotulla ISD, TX (District) |
| Couch R-I, MO (District) |
| Coudersport Area SD, PA (District) |
| Coulee-Hartline School District, WA (District) |
| Coulterville USD 1, IL (District) |
