| Flat Rock Community Schools, MI (District) |
| Flat Rock-Hawcreek School Corp, IN (District) |
| Flathead, MT (District) |
| Flathead County, MT (ISD) |
| Flathead County Coop, MT (District) |
| Flathead H S, MT (District) |
| Flatonia ISD, TX (District) |
| Fleetwood Area SD, PA (District) |
| Fleming County, KY (Phantom) |
| Fleming County Schools, KY (District) |
| Flemington-Raritan Regional School District, NJ (District) |
| Fletcher, OK (District) |
| Flex High School, OH (PSA) |
| Flex High School Cleveland, OH (PSA) |
| Flex High School of Michigan, MI (PSA) |
