| Knox County, TN (ISD) |
| Knox County, TX (ISD) |
| Knox County, KY (Phantom) |
| Knox County, TN (District) |
| Knox County Career Center, OH (District) |
| Knox County Educational Service Center, OH (ISD) |
| Knox County JVSD CTPD, OH (District) |
| Knox County Schools, KY (District) |
| Knox Warren Special Education Districts, IL (District) |
| Knoxville Comm School District, IA (District) |
| Knoxville CUSD 202, IL (District) |
| Kodiak Island Borough, AK (ISD) |
| Kodiak Island Borough School District, AK (District) |
| Kohler School District, WI (District) |
| Koinonia Community Learning Academy, TX (District) |
