| Kremlin-Hillsdale, OK (District) |
| Kress ISD, TX (District) |
| Krum ISD, TX (District) |
| Ks State Industrial Reformatory, KS (District) |
| Ks. Correctional Voc Tech Ctr, KS (District) |
| Ks. State Penitentiary, KS (District) |
| Ktec - Kootenai Tech Ed Campus, ID (PSA) |
| Kulm 7, ND (District) |
| Kuna Joint District, ID (District) |
| Kuspuk School District, AK (District) |
| Kutztown Area SD, PA (District) |
| Kuumba Academy Charter School, DE (PSA) |
| KVEC, KY (ISD) |
| Kyrene Elementary District, AZ (District) |
| L. Hollingworth School for Talented and Gifted, OH (PSA) |
