| SCHOOL | ASSOCIATION | SEED |
| ÉSC EJ Lajeunesse | SWOSSAA | 1 |
| Nicolson CC | COSSA | 2 |
| Woodstock CI | WOSSAA | 3 |
| Kenner CVI | COSSA | 4 |
| É.S. Jeunes sans frontières | ROPSSAA | 5 |
| O’Gorman HS | NEOAA | 6 |
| Woodland CHS | CWOSSA | 7 |
| The York School | CISAA | 8 |
| Monsignor J. Pereyma CSS | LOSSA | 9 |
| Notre Dame HS | NCSSAA | 10 |
| ÉSC Saint Jean-de-Brébeuf | SOSSA | 11 |
| Almonte DHS | EOSSAA | 12 |
| ÉSC Algonquin | NOSSA | 13 |
| Crawford Adventist Academy | TDCAA | 14 |
| ÉSAC Mère-Teresa | GHAC | 15 |
| ÉSC Monseigneur-Bruyère | WOSSAA | 16 |
| ÉSC Renaissance | YRAA | 17 |
| Ursula Franklin Academy | TDSSAA | 18 |
| Gravenhurst HS | GBSSA | 19 |
| Red Lake DHS | NWOSSAA | 20 |