| Ontario Rank | Board Rank | School | City | Type | Overall Score | 2023‑24 | 2022‑23 | 2021‑22 | 3‑Year Change | Website |
|---|---|---|---|---|---|---|---|---|---|---|
| 13 | 1 | ÉSC Sainte-Trinité | Oakville | Catholic | 9.0 | 9.0 | 9.0 | 8.4 | +0.6 ↑ | — |
| 17 | 2 | ÉSC Saint-Frère-André | Toronto | Catholic | 8.9 | 8.9 | 9.0 | 8.1 | +0.8 ↑ | Visit |
| 30 | 3 | ÉSC Renaissance | Aurora | Catholic | 8.8 | 8.8 | 8.6 | 8.5 | +0.3 ↑ | Visit |
| 54 | 4 | ÉSC Pape-François | Stouffville | Catholic | 8.5 | 8.5 | 7.9 | — | +0.6 ↑ | — |
| 68 | 5 | ÉSC Père-René-de-Galinée | Cambridge | Catholic | 8.4 | 8.4 | 8.0 | 8.3 | +0.1 ↑ | Visit |
| 96 | 6 | ÉSC Saint-Charles-Garnier | Whitby | Catholic | 8.1 | 8.1 | 7.5 | 7.5 | +0.6 ↑ | Visit |
| 99 | 7 | ÉSC Sainte-Famille | Mississauga | Catholic | 8.1 | 8.1 | 8.4 | 7.9 | +0.2 ↑ | Visit |
| 129 | 8 | ÉSC Monseigneur-de-Charbonnel | Toronto | Catholic | 7.9 | 7.9 | 6.8 | 7.3 | +0.6 ↑ | Visit |
| 204 | 9 | ÉSC Nouvelle-Alliance | Barrie | Catholic | 7.5 | 7.5 | 7.9 | 7.7 | -0.2 ↓ | Visit |
| 211 | 10 | ÉSC Père-Philippe-Lamarche | Toronto | Catholic | 7.5 | 7.5 | 7.5 | 6.9 | +0.6 ↑ | — |
| 252 | 11 | ÉSC Monseigneur-Jamot | Peterborough | Catholic | 7.3 | 7.3 | 6.2 | — | +1.1 ↑ | — |
| 281 | 12 | ÉSC Saint-Jean-de-Brébeuf | Welland | Catholic | 7.2 | 7.2 | 6.7 | 6.9 | +0.3 ↑ | Visit |
| 461 | 13 | ÉSAC Mère-Teresa | Hamilton | Catholic | 6.3 | 6.3 | 6.6 | 5.5 | +0.8 ↑ | Visit |
| 802 | 14 | ÉSC de l'Ascension - Vaughan | Woodbridge | Catholic | — | — | — | — | — | — |