| Ontario Rank | Board Rank | School | City | Type | Overall Score | 2023‑24 | 2022‑23 | 2021‑22 | 3‑Year Change | Website |
|---|---|---|---|---|---|---|---|---|---|---|
| 340 | 1 | Our Lady of the Bay Catholic High School | Collingwood | Catholic | 6.9 | 6.9 | 7.2 | 6.3 | +0.6 ↑ | Visit |
| 414 | 2 | St Joan of Arc High School | Barrie | Catholic | 6.6 | 6.6 | 6.6 | 5.9 | +0.7 ↑ | Visit |
| 497 | 3 | St Joseph's Separate School | Barrie | Catholic | 6.2 | 6.2 | 5.6 | 6.0 | +0.2 ↑ | Visit |
| 533 | 4 | Holy Trinity Catholic High School | Bradford | Catholic | 6.0 | 6.0 | 6.1 | 5.8 | +0.2 ↑ | Visit |
| 540 | 5 | St Theresa's Separate School | Midland | Catholic | 6.0 | 6.0 | 5.8 | 5.8 | +0.2 ↑ | Visit |
| 633 | 6 | St Dominic Catholic Secondary School | Bracebridge | Catholic | 5.5 | 5.5 | 6.3 | 5.8 | -0.3 ↓ | Visit |
| 641 | 7 | Patrick Fogarty Catholic Secondary School | Orillia | Catholic | 5.4 | 5.4 | 5.8 | 5.8 | -0.4 ↓ | Visit |
| 643 | 8 | St Peter's Secondary School | Barrie | Catholic | 5.4 | 5.4 | 5.4 | 4.9 | +0.5 ↑ | Visit |
| 664 | 9 | St Thomas Aquinas Catholic Secondary School | Tottenham | Catholic | 5.2 | 5.2 | 5.9 | 6.0 | -0.8 ↓ | Visit |