| Ontario Rank | Board Rank | School | City | Type | Overall Score | 2023‑24 | 2022‑23 | 2021‑22 | 3‑Year Change | Website |
|---|---|---|---|---|---|---|---|---|---|---|
| 199 | 1 | École secondaire catholique E.J.Lajeunesse | Windsor | Catholic | 7.5 | 7.5 | 7.8 | 7.9 | -0.4 ↓ | Visit |
| 227 | 2 | École secondaire catholique Monseigneur-Bruyère | London | Catholic | 7.4 | 7.4 | 7.6 | 7.8 | -0.4 ↓ | Visit |
| 306 | 3 | École secondaire catholique l'Essor | Tecumseh | Catholic | 7.1 | 7.1 | 6.8 | 6.7 | +0.4 ↑ | Visit |
| 339 | 4 | École secondaire catholique Notre-Dame | Woodstock | Catholic | 6.9 | 6.9 | 5.6 | 5.4 | +1.5 ↑ | Visit |
| 383 | 5 | École secondaire Pain Court | Pain Court | Catholic | 6.7 | 6.7 | 5.2 | 8.0 | -1.3 ↓ | Visit |
| 412 | 6 | École secondaire catholique Saint-François-Xavier | Sarnia | Catholic | 6.6 | 6.6 | 6.0 | 6.9 | -0.3 ↓ | Visit |
| 723 | 7 | École secondaire catholique Ste-Trinité | Windsor | Catholic | 4.4 | — | 4.4 | — | — | Visit |
| 779 | 8 | École secondaire catholique Saint-Dominique-Savio | Owen Sound | Catholic | — | — | — | — | — | Visit |