| SCHOOL | ASSOCIATION | SEED |
| Holy Trinity | LOSSA | 1 |
| St. Charles | NOSSA | 2 |
| St. Theresa |
COSSA
|
3 |
| Thousand Islands | EOSSAA | 4 |
| St. Mary’s |
CWOSSA
|
5 |
| St. Mary’s | NOSSA (Additional Entry) | 6 |
| St. Joseph | EOSSAA (Additional Entry) | 7 |
| St. Joseph | WOSSAA | 8 |
| Henry Street | LOSSA (Host Additional Entry) | 9 |
| St Mary’s | GHAC | 10 |
| Patrick Fogarty | GBSSA | 11 |
| Sir Winston Churchill | SOSSA | 12 |
| Lambton Central | SWOSSAA | 13 |
| ESC Hearst | NEOAA | 14 |
| Beaver Brae | NWOSSAA | 15 |
| Sir Oliver Mowat | TDSSAA | 16 |