| Karl G. Maeser Preparatory Academy, UT (PSA) |
| Karnack ISD, TX (District) |
| Karnes City ISD, TX (District) |
| Karnes County, TX (ISD) |
| Karns Cty Area SD, PA (District) |
| Karval Re-23, CO (District) |
| Kashia Elementary, CA (District) |
| Kashunamiut School District, AK (District) |
| Kaskaskia Spec Educ District, IL (District) |
| Kasson-Mantorville School District, MN (District) |
| Katherine Anne Porter School, TX (PSA) |
| Katonah-lewisboro Union Free School District, NY (District) |
| Katy ISD, TX (District) |
| Kauffman Leadership Academy, TX (PSA) |
| Kaufman County, TX (ISD) |
