| 101 | 1 | St Joseph Secondary School | Mississauga | Catholic | 8.1 | 8.1 | 8.2 | 8.7 | -0.6 ↓ | Visit |
| 117 | 2 | St Francis Xavier Secondary School | Mississauga | Catholic | 8.0 | 8.0 | 8.1 | 7.9 | +0.1 ↑ | Visit |
| 130 | 3 | St Aloysius Gonzaga Secondary School | Mississauga | Catholic | 7.9 | 7.9 | 8.1 | 7.4 | +0.5 ↑ | Visit |
| 132 | 4 | St Marcellinus Secondary School | Mississauga | Catholic | 7.9 | 7.9 | 8.3 | 7.8 | +0.1 ↑ | Visit |
| 169 | 5 | St Paul Secondary School | Mississauga | Catholic | 7.7 | 7.7 | 8.0 | 8.7 | -1.0 ↓ | Visit |
| 276 | 6 | Our Lady of Mount Carmel Secondary School | Mississauga | Catholic | 7.2 | 7.2 | 7.4 | 6.9 | +0.3 ↑ | Visit |
| 282 | 7 | Loyola Catholic Secondary School | Mississauga | Catholic | 7.2 | 7.2 | 7.8 | 7.7 | -0.5 ↓ | Visit |
| 305 | 8 | Holy Name of Mary Secondary School | Brampton | Catholic | 7.1 | 7.1 | 7.2 | 6.9 | +0.2 ↑ | Visit |
| 308 | 9 | Cardinal Ambrozic Catholic Secondary School | Brampton | Catholic | 7.1 | 7.1 | 7.2 | 6.2 | +0.9 ↑ | Visit |
| 337 | 10 | Notre Dame Catholic Secondary School | Brampton | Catholic | 6.9 | 6.9 | 6.8 | 5.8 | +1.1 ↑ | Visit |
| 341 | 11 | St Edmund Campion Secondary School | Brampton | Catholic | 6.9 | 6.9 | 7.5 | 7.7 | -0.8 ↓ | Visit |
| 385 | 12 | Iona Secondary School | Mississauga | Catholic | 6.7 | 6.7 | 6.6 | 8.1 | -1.4 ↓ | Visit |
| 416 | 13 | St Marguerite d'Youville Secondary School | Brampton | Catholic | 6.6 | 6.6 | 6.3 | 6.0 | +0.6 ↑ | Visit |
| 434 | 14 | Philip Pocock Catholic Secondary School | Mississauga | Catholic | 6.5 | 6.5 | 7.3 | 7.3 | -0.8 ↓ | Visit |
| 462 | 15 | St. Joan of Arc Catholic Secondary School | Mississauga | Catholic | 6.3 | 6.3 | 7.1 | 6.6 | -0.3 ↓ | Visit |
| 472 | 16 | Cardinal Leger Secondary School | Brampton | Catholic | 6.3 | 6.3 | 6.2 | 6.2 | +0.1 ↑ | Visit |
| 473 | 17 | St. Michael Catholic Secondary School | Bolton | Catholic | 6.3 | 6.3 | 6.0 | 6.5 | -0.2 ↓ | Visit |
| 537 | 18 | St. Roch Catholic Secondary School | Brampton | Catholic | 6.0 | 6.0 | 7.1 | 6.6 | -0.6 ↓ | Visit |
| 553 | 19 | Robert F Hall Catholic Secondary School | Caledon East | Catholic | 5.9 | 5.9 | 6.6 | 7.0 | -1.1 ↓ | Visit |
| 597 | 20 | St Martin Secondary School | Mississauga | Catholic | 5.7 | 5.7 | 6.5 | 5.4 | +0.3 ↑ | Visit |
| 610 | 21 | St Augustine Secondary School | Brampton | Catholic | 5.6 | 5.6 | 6.2 | 6.8 | -1.2 ↓ | Visit |
| 629 | 22 | Ascension of Our Lord Secondary School | Mississauga | Catholic | 5.5 | 5.5 | 5.2 | 6.5 | -1.0 ↓ | Visit |
| 632 | 23 | John Cabot Catholic Secondary School | Mississauga | Catholic | 5.5 | 5.5 | 6.0 | 5.6 | -0.1 ↓ | Visit |
| 656 | 24 | St. Oscar Romero School | Mississauga | Catholic | 5.3 | 5.3 | — | — | — | Visit |
| 658 | 25 | St Thomas Aquinas Secondary School | Brampton | Catholic | 5.3 | 5.3 | 5.3 | 5.0 | +0.3 ↑ | Visit |
| 676 | 26 | Father Michael Goetz Secondary School | Mississauga | Catholic | 5.0 | 5.0 | 5.2 | 5.9 | -0.9 ↓ | Visit |