| Alexander Mackenzie Secondary School | Blenheim District High School |
| Chatham Christian High School | Chatham-Kent Secondary School |
| E.S. Pain Court | Great Lakes Secondary School |
| John McGregor Secondary School | Lambton Central |
| Lambton Kent | North Lambton S S |
| Ridgetown DHS | Sarnia Northern |
| Sarnia St. Francois Xavier | St. Patricks CHS |
| Tilbury DHS | Ursuline College Chatham |
| Wallaceburg District Secondary |