| 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) |
| Flex High School of Pontiac, MI (PSA) |
| FlexTech High School - Brighton, MI (PSA) |
| Flextech High School Shepherd, MI (PSA) |
| Flint City School District, MI (District) |
| Flint Cultural Center Academy, MI (PSA) |
| Flinthills, KS (District) |
