| Califon School District, NJ (District) |
| California Academy of Learning CS, PA (PSA) |
| California Advancing Pathways for Students in Los Angeles County ROC/P, CA (District) |
| California Area SD, PA (District) |
| California Department of Education, CA (State) |
| California Education Authority Headquarters, CA (District) |
| California School for the Blind, CA (District) |
| California School for the Deaf-Fremont, CA (District) |
| California School for the Deaf-Riverside, CA (District) |
| Calipatria Unified, CA (District) |
| Calistoga Joint Unified, CA (District) |
| Callahan County, TX (ISD) |
| Callao C-8, MO (District) |
| Callaway County, MO (ISD) |
| Callaway Public Schools, NE (District) |
