| Ontario Rank | Board Rank | School | City | Type | Overall Score | 2023‑24 | 2022‑23 | 2021‑22 | 3‑Year Change | Website |
|---|---|---|---|---|---|---|---|---|---|---|
| 47 | 1 | Lo-Ellen Park Secondary School | Sudbury | Public | 8.6 | 8.6 | 8.1 | 7.3 | +1.3 ↑ | Visit |
| 110 | 2 | Lockerby Composite School | Sudbury | Public | 8.1 | 8.1 | 7.5 | 6.9 | +1.2 ↑ | Visit |
| 457 | 3 | Sudbury Secondary School | Sudbury | Public | 6.4 | 6.4 | 6.6 | 5.2 | +1.2 ↑ | Visit |
| 567 | 4 | Manitoulin Secondary School | M'Chigeeng | Public | 5.9 | 5.9 | 5.3 | 6.0 | -0.1 ↓ | Visit |
| 588 | 5 | Lively District Secondary School | Lively | Public | 5.8 | 5.8 | 5.7 | 5.8 | 0.0 → | Visit |
| 621 | 6 | Lasalle Secondary School | Sudbury | Public | 5.6 | 5.6 | 4.9 | 4.9 | +0.7 ↑ | Visit |
| 645 | 7 | Confederation Secondary School | Val Caron | Public | 5.4 | 5.4 | 5.2 | 6.5 | -1.1 ↓ | Visit |
| 704 | 8 | Chelmsford Valley District Composite School | Chelmsford | Public | 4.8 | 4.8 | 3.9 | 3.2 | +1.6 ↑ | Visit |
| 749 | 9 | Espanola High School | Espanola | Public | 3.8 | 3.8 | 4.4 | 4.8 | -1.0 ↓ | Visit |
| 825 | 10 | N'Swakamok Anishinawbek Kinomaadwin Gamig | Sudbury | Public | — | — | — | — | — | — |
| 838 | 11 | Adult Day School | Sudbury | Public | — | — | — | — | — | Visit |
| 884 | 12 | Barrydowne College Senior | Sudbury | Public | — | — | — | — | — | Visit |