| Ontario Rank | Board Rank | School | Board | City | Type | Overall Score | 2023‑24 | 2022‑23 | 2021‑22 | 3‑Year Change | Website |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 46 | 1 | Colonel By Secondary School | Ottawa-Carleton DSB | Gloucester | Public | 8.6 | 8.6 | 8.6 | 9.0 | -0.4 ↓ | Visit |
| 177 | 6 | École secondaire publique Louis-Riel | CÉP de l'Est de l'Ontario | Gloucester | Public | 7.7 | 7.7 | 7.9 | 8.1 | -0.4 ↓ | Visit |
| 255 | 8 | St. Francis Xavier (9-12) Catholic School | Ottawa CSB | Gloucester | Catholic | 7.3 | 7.3 | 7.5 | 8.0 | -0.7 ↓ | Visit |
| 574 | 15 | Lester B Pearson Catholic High School | Ottawa CSB | Gloucester | Catholic | 5.8 | 5.8 | 5.2 | 5.1 | +0.7 ↑ | Visit |
| 729 | 22 | Gloucester High School | Ottawa-Carleton DSB | Gloucester | Public | 4.3 | 4.3 | 4.3 | 3.9 | +0.4 ↑ | Visit |