| School | Location |
| Bath High School | BATH, MI |
| Center Line High School | CENTER LINE, MI |
| Denby High School | DETROIT, MI |
| DeWitt High School | DEWITT, MI |
| Elsie High School | ELSIE, MI |
| Fowler High School | FOWLER, MI |
| Jackson High School | JACKSON, MI |
| Lake Odessa High School | LAKE ODESSA, MI |
| Maple Rapids High School | MAPLE RAPIDS, MI |
| Ovid High School | OVID, MI |
| Ovid-Elsie High School | ELSIE, MI |
| Parkside High School | JACKSON, MI |
| Pewamo High School | PEWAMO, MI |
| Pewamo-Westphalia High School | WESTPHALIA, MI |
| St. Johns High School | SAINT JOHNS, MI |
| Wacousta High School | GRAND LEDGE, MI |
| Warren Mott High School | WARREN, MI |
| Westphalia High School | WESTPHALIA, MI |
| Westphalia St. Mary High School | WESTPHALIA, MI |