The Flint Hills League is a high school athletics conference comprising eight high school athletics programs in the Flint Hills region of Kansas. The schools compete in athletic competition in sports such as football, basketball, volleyball, track and field, softball, and wrestling.
| School | Mascot | Colors | Location |
|---|---|---|---|
| Chase County | Bulldogs | Cottonwood Falls, Kansas | |
| Council Grove | Braves | Council Grove, Kansas | |
| Herington | Railroaders | Herington, Kansas | |
| Lyndon | Tigers | Lyndon, Kansas | |
| Mission Valley | Vikings | Eskridge, Kansas | |
| Northern Heights | Wildcats | Allen, Kansas | |
| Osage City | Indians | Osage City, Kansas | |
| West Franklin | Falcons | Pomona, Kansas |