| SCHOOL | ASSOCIATION | SEED |
| Holy Cross CSS | COSSA | 1 |
| Centennial SS | COSSA | 4 |
| Centre Dufferin DHS | CWOSSA | 2 |
| Holy Trinity CHS | CWOSSA | 6 |
| Napanee DSS | EOSSAA | 3 |
| Georgian Bay DSS | GBSSA | 16 |
| T A Blakelock | GHAC | 13 |
| Eastdale CVI | LOSSA | 10 |
| Clarington Central SS | LOSSA | 5 |
| Ashbury College | NCSSAA | 7 |
| Streetsville | ROPSSAA | 12 |
| Lakeshore Catholic HS | SOSSA | 14 |
| Lambton Central Collegiate & VI | SWOSSAA | 8 |
| St John Henry Newman CS | TDCAA | 9 |
| Ursula Franklin Academy | TDSSAA | 15 |
| Parkside CI | WOSSAA | 11 |