| SCHOOL | ASSOCIATION | SEED |
| CISAA | Branksome RSGC | 10 |
| COSSA | Adam Scott CVI | 9 |
| CWOSSA | Paris DHS | 12 |
| EOSSAA | Kingston SS | 6 |
| GBSSA #1 | Maple Ridge SS | 14 |
| GBSSA #2 (host) | St. Peter’s CSS | 16 |
| GHAC | Oakville Trafalgar HS | 8 |
| LOSSA #1 | Bowmanville HS | 2 |
| LOSSA #2 | R.S. McLaughlin CVI | 11 |
| ROPSSAA | Clarkson SS | 5 |
| SOSSA |
Sir Winston Churchill SS
|
3 |
| SWOSSAA | Sandwich SS | 15 |
| TDCAA | Marshall McLuhan CSS | 4 |
| TDSSAA | Etobicoke CI | 1 |
| WOSSAA | St. Marys DCVI | 7 |
| YRAA | Thornlea SS | 13 |