| SCHOOL | ASSOCIATION | SEED |
| St. Clement’s School | CISAA | 1 |
| É.S.C. L’Horizon | NOSSA | 2 |
| Hamilton District Christian H.S. | SOSSA | 3 |
| University of Toronto Schools | TDCAA | 4 |
| Woodstock Collegiate Institute | WOSSAA | 5 |
| É.S. Père René de Galinée | CWOSSA | 6 |
| The York School | CISAA | 7 |
| St. Thomas Aquinas H.S. | NWOSSAA | 8 |
| Quinte Christian High School | COSSA | 9 |
| Maurice Lapointe ESP | NCSSAA | 10 |
| É.S. Catholique Sainte-Marie-Rivier | EOSSAA | 11 |
| É.C. Saint-Charles Garnier | LOSSA | 12 |
| É.S.C. E.J. Lajeunesse | SWOSSAA | 13 |
| É.S.A.C. Mère-Teresa | GHAC | 14 |
| É.S. Le Caron | GBSSA | 15 |
| Brampton Christian Academy | ROPSSAA | 16 |
| Ursula Franklin Academy | TDSSAA | 17 |
| É.S.C. Sainte-Marie | NEOAA/AANEO | 18 |
| É.S.C. Renaissance | YRAA | 19 |
| Elliot Lake S.S. | NOSSA (Host) | 20 |