| 79 | 1 | Bishop Paul Francis Reding Catholic Secondary School | Halton CDSB | Milton | Catholic | 8.2 | 8.2 | 8.0 | 7.7 | +0.5 ↑ | Visit |
| 139 | 10 | Milton District High School | Halton DSB | Milton | Public | 7.9 | 7.9 | 7.8 | 7.0 | +0.9 ↑ | Visit |
| 273 | 13 | Craig Kielburger Secondary School | Halton DSB | Milton | Public | 7.3 | 7.3 | 7.2 | 7.0 | +0.3 ↑ | Visit |
| 338 | 9 | St. Francis Xavier Catholic Secondary School | Halton CDSB | Milton | Catholic | 6.9 | 6.9 | 6.8 | 6.7 | +0.2 ↑ | — |
| 391 | 16 | Elsie MacGill Secondary School | Halton DSB | Milton | Public | 6.7 | 6.7 | 7.3 | 4.1 | +2.6 ↑ | — |
| 411 | 10 | St. Kateri Tekakwitha Catholic Secondary Catholic School | Halton CDSB | Milton | Catholic | 6.6 | 6.6 | 7.4 | 4.7 | +1.9 ↑ | — |
| 832 | 1 | Ernest C Drury School for the Deaf | Provincial and Demonstration Schools | Milton | Provincial | — | — | — | — | — | Visit |
| 833 | 2 | E C Drury/Trillium Demonstration School | Provincial and Demonstration Schools | Milton | Provincial | — | — | — | — | — | Visit |