| Kestrel Schools Inc., AZ (District) |
| Ketchikan Gateway Borough, AK (ISD) |
| Ketchikan Gateway Borough School District, AK (District) |
| Ketchum, OK (District) |
| Kettering City School District, OH (District) |
| Kettle Falls School District, WA (District) |
| Kettle Moraine School District, WI (District) |
| Kewanee CUSD 229, IL (District) |
| Kewaskum School District, WI (District) |
| Kewaunee, WI (ISD) |
| Kewaunee School District, WI (District) |
| KEY COLLEGIATE CHARTER SCHOOL, NY (PSA) |
| Keya Paha County, NE (ISD) |
| Keya Paha County Schools, NE (District) |
| Keyes, OK (District) |
