| Canyon Grove Academy, UT (PSA) |
| Canyon ISD, TX (District) |
| Canyon Rim Academy, UT (PSA) |
| Canyon Rose Academy Inc., AZ (District) |
| Canyon-Owyhee Special Services Agency, ID (District) |
| Canyons District, UT (District) |
| Capac Community Schools, MI (District) |
| Capay Joint Union Elementary, CA (District) |
| Cape Cod Lighthouse Charter (District), MA (District) |
| Cape Cod Regional Vocational Technical, MA (District) |
| Cape Elizabeth School Department, ME (District) |
| Cape Fear Center For Inquiry, NC (District) |
| Cape Flattery School District, WA (District) |
| Cape Girardeau 63, MO (District) |
| Cape Girardeau County, MO (ISD) |
