| Klamath River Union Elementary, CA (District) |
| Klamath-Trinity Joint Unified, CA (District) |
| Klawock City School District, AK (District) |
| Kleberg County, TX (ISD) |
| Klein ISD, TX (District) |
| Klepinger Community School, OH (PSA) |
| Klickitat County, WA (ISD) |
| Klickitat School District, WA (District) |
| Klondike ISD, TX (District) |
| Klondyke Elementary District, AZ (District) |
| Knapp Charter Academy, MI (PSA) |
| Knappa Sd 4, OR (District) |
| Kneeland Elementary, CA (District) |
| Knees Elem, MT (District) |
| Knights Ferry Elementary, CA (District) |
