| CISAA The York School | CISAA Crescent School | CISSA St Michael’s College |
| COSSA Kenner Collegiate Vocational Institute | COSSA Crestwood Secondary School | COSSA Cobourg Collegiate Institute |
| COSSA Nicholson Catholic College | CWOSSA Bishop Macdonnell Catholic High School | CWOSSA Grand River Collegiate Institute |
| CWOSSA Woodland Christian High School | EOSSAA Thousand Island Secondary School | EOSSAA Frontenac Secondary School |
| EOSSAA Almonte District High School | GBSSA St Joseph’s Catholic High School (Barrie) | EOSSAA Kingston Secondary School |
| GBSSA Gravenhurst High School | GBSSA Patrick Fogarty Catholic Secondary School | GBSSA St Peter’s Catholic Secondary School |
| GHAC École secondaire Académie catholique Mère-Teresa | GHAC King’s Christian Collegiate | GHAC Cathedral Catholic School |
| LOSSA Monsignor John Pereyma Catholic Secondary School | LOSSA Holy Trinity Catholic Secondary School | LOSSA Pickering High School |
| NCSSAA Notre Dame High School | NCSSAA École secondaire catholique Samuel-Genest | NCSSAA Earl of March High School |
| NEOAA O’Gorman High School | NEOAA Timmins High &Vocational School | NOSSA Chippewa Secondary School |
| NOSSA École secondaire catholique Algonquin | NOSSA Lo-Ellen Park Secondary School | ROPSSAA St. Marcellinus Catholic Secondary School |
| NWOSSAA Red Lake District High School | NOSSA West Ferris Secondary School | SOSSA Saltfleet District High School |
| ROPSSAA École secondaire Jeunes sans frontières | NWOSSAA Westgate Collegiate Vocational Institute | SWOSSAA Ursuline College |
| SOSSA École secondaire catholique Saint Jeande Brébeuf | ROPSSAA Ascension of Our Lords Catholic Secondary School | TDCAA St John Pail II Catholic Secondary School |
| SWOSSAA École secondaire catholique E J Lajeunesse | SOSSA Sir Allan MacNab Secondary School | TDSSAA Oakwood Collegiate Institute |
| TDCAA Crawford Adventist Academy | SWOSSAA Tecumseh Vista Academy | TDSSAA Leaside High School |
| TDSSAA Ursula Franklin Academy | TDCAA St Mother Teresa Catholic Academy | WOSSAA Mother Teresa Catholic School |
| WOSSAA École secondaire catholique Monseigneur-Bruyère | TDSSAA George S Henry Academy | YRAA Father Michael McGivney Catholic High School |
| WOSSAA Woodstock Collegiate Institute | WOSSAA Regina Mundi Catholic College | |
| YRAA École secondaire catholique Renaissance | YRAA Woodbridge College | |
