| A | AA | AAA |
| CISAA – The York School | COSSA – Crestwood Secondary School | CISAA – St Michael’s College School |
| COSSA – Quinte Christian High School | CWOSSA – St Mary’s High School (Owen Sound) | COSSA – Adam Scott Collegiate and Vocational Institute |
| CWOSSA – École secondaire catholique Père-René-de-Galinée | CWOSSA – John Dienfenbaker Secondary School | CWOSSA – St Benedict Catholic Secondary School |
| EOSSAA – École secondaire catholique Plantagenet | EOSSAA – École secondaire catholique L’Escale | EOSSAA -Holy Cross Catholic Secondary School (Kingston) |
| GBSSA – École secondaire Le Caron | GBSAA – Twin Lakes Secondary School | EOSSAA – Kingston Secondary School |
| GBSSA – Gravenhurst High School | GBSAA – Huntsville High School | GBSSA – St Peter’s Catholic Secondary School |
| GHAC – École secondaire Academie catholique Mère-Teresa | GHAC – St Mary Catholic High School (Hamilton) | GHAC – St Thomas Aquinas Catholic Secondary School (Oakville) |
| LOSSA – Durham Christian High School | LOSSA – Port Perry High School | GHAC – Bishop Paul F Reding Catholic Secondary School |
| NCSSAA – École secondaire publique Maurice-Lapointe | NCSSAA – Collège catholique Samuel-Genest | LOSSA – Pickering Secondary School |
| NEOAA – Roland Michener Secondary School | NCSSAA – École secondaire publique Gisèle-Lalonde | LOSSA – Uxbridge Secondary School |
| NOSSA – École secondaire Macdonald-Cartier | NEOAA – Timiskaming District Secondary School | NCSSAA – École secondaire publique Louis-Riel |
| NWOSSAA – St Thomas Aquinas High School (Kenora) | NOSSA – Lockeyby Composite School | NCSSAA – West Carleton Secondary School (host) |
| ROPSSAA – École secondaire Jeunes sans frontières | NWOSSAA – Beaver Brae Secondary School | NOSSA – Espanola High School |
| SOSSA – Hamilton District Christian High School | ROPSSAA – Streetsville Secondary School | ROPSSAA – Central Peel Secondary School |
| SOSSA – Smithville Christian High School | SOSSA – Dundas Valley Secondary School | SOSSA – Eden High School |
| SWOSSAA – École secondaire catholique E J Lajeunesse | SWOSSAA – Essex District High School | SWOSSAA – Ursuline College (Chatham) |
| TDCAA – École secondaire catholique Saint-Frere-Andre | TDCAA – Saint Oscar Romero Catholic Secondary School | TDCAA – Senator O’Connor College School |
| TDSSAA – Ursula Franklin Academy | TDSSAA – West Hill Collegiate Institute | TDSSAA – Earl Haig Secondary School |
| WOSSAA –École secondaire catholique Monseigneur-Bruyère | WOSSAA – Huron Park Secondary School | WOSSAA – Stratford District Secondary School |
| YRAA – École secondaire catholique Renaissance | YRAA – Dr John M Denison Secondary School | YRAA – Markham District High School |
