| 7 | 2 | 1 | St Augustine Catholic High School | York CDSB | Catholic | 9.4 | 9.4 | 9.2 | 9.1 | +0.3 ↑ | Visit |
| 11 | 1 | 2 | Pierre Elliott Trudeau High School | York Region DSB | Public | 9.1 | 9.1 | 8.9 | 9.0 | +0.1 ↑ | Visit |
| 14 | 2 | 3 | Bur Oak Secondary School | York Region DSB | Public | 9.0 | 9.0 | 9.0 | 8.9 | +0.1 ↑ | Visit |
| 27 | 5 | 4 | Markville Secondary School | York Region DSB | Public | 8.9 | 8.9 | 9.0 | 8.9 | 0.0 → | Visit |
| 53 | 4 | 5 | Father Michael McGivney Catholic High School | York CDSB | Catholic | 8.5 | 8.5 | 8.4 | 8.3 | +0.2 ↑ | Visit |
| 77 | 13 | 6 | Markham District High School | York Region DSB | Public | 8.3 | 8.3 | 8.8 | 7.9 | +0.4 ↑ | Visit |
| 80 | 5 | 7 | St Brother André Catholic High School | York CDSB | Catholic | 8.2 | 8.2 | 8.2 | 7.3 | +0.9 ↑ | Visit |
| 82 | 15 | 8 | Bill Hogarth Secondary School | York Region DSB | Public | 8.2 | 8.2 | 8.3 | 8.6 | -0.4 ↓ | Visit |
| 184 | 22 | 9 | Middlefield Collegiate Institute | York Region DSB | Public | 7.7 | 7.7 | 7.6 | 8.2 | -0.5 ↓ | Visit |