| Associations |
Participants |
Seeding |
| CISAA |
Branksome Hall |
18 |
| COSSA |
St. Mary Catholic Secondary |
10 |
| CWOSSA |
St James Catholic High School |
14 |
| EOSSAA |
Kingston Secondary School |
6 |
| GBSSA |
Twin Lakes Secondary School |
13 |
| GHAC |
Thomas A. Blakelock High School |
3 |
| LOSSA |
Henry Street High School |
8 |
| NCSSAA |
ESC Béatrice Desloges |
4 |
| NEOAA |
Timiskaming District Secondary |
19 |
| NOSSA |
St. Joseph-Scollard Hall C.S.S. |
12 |
| NWOSSAA |
Westgate Collegiate & VI |
17 |
| ROPSSAA Champion |
Streetsville Secondary School |
5 |
| ROPSSAA Rep |
Mentor College |
20 |
| SOSSA Champion |
Sir Winston Churchill |
2 |
| SOSSA Rep |
E. L. Crossley Secondary |
11 |
| SWOSSAA |
North Star High School |
1 |
| TDCAA |
Bishop Marrocco/Thomas Merton |
16 |
| TDSSAA |
Sir Oliver Mowat Collegiate |
7 |
| WOSSAA |
London South Collegiate Institute |
9 |
| YRAA |
King City Secondary School |
15 |
