| Blenheim District High School | Chatham Christian High School |
| Chatham-Kent Secondary School | 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. Patrick's Catholic H.S. |
| St. Patricks CHS | Ursuline College Chatham |
| Wallaceburg District Secondary |