| 15 | 1 | Good Shepherd Catholic School | Thamesville | Catholic | 9.7 | 9.7 | — | 8.9 | +0.8 ↑ | Visit |
| 223 | 2 | Sacred Heart Catholic School | Port Lambton | Catholic | 8.8 | 8.8 | 6.2 | 6.6 | +2.2 ↑ | Visit |
| 377 | 3 | St Joseph Catholic School | Tilbury | Catholic | 8.5 | 8.5 | 7.0 | 4.7 | +3.8 ↑ | Visit |
| 870 | 4 | Monsignor Uyen Catholic School | Chatham | Catholic | 7.8 | 7.8 | 7.2 | 6.8 | +1.0 ↑ | Visit |
| 885 | 5 | St Anne Catholic School | Sarnia | Catholic | 7.8 | 7.8 | 7.3 | 6.6 | +1.2 ↑ | Visit |
| 1062 | 6 | Sacred Heart Catholic School | Sarnia | Catholic | 7.6 | 7.6 | 7.7 | 7.1 | +0.5 ↑ | Visit |
| 1077 | 7 | St Michael Catholic School | Bright's Grove | Catholic | 7.6 | 7.6 | 9.0 | 9.1 | -1.5 ↓ | Visit |
| 1082 | 8 | St Philip Catholic School | Petrolia | Catholic | 7.6 | 7.6 | 7.6 | 7.2 | +0.4 ↑ | Visit |
| 1296 | 9 | St John Fisher Catholic School | Forest | Catholic | 7.4 | 7.4 | 8.9 | 7.8 | -0.4 ↓ | Visit |
| 1370 | 10 | St. Angela Merici Catholic School | Chatham | Catholic | 7.3 | 7.3 | 6.6 | 6.3 | +1.0 ↑ | Visit |
| 1375 | 11 | Holy Rosary Catholic School | Wyoming | Catholic | 7.3 | — | — | 7.3 | — | Visit |
| 1732 | 12 | St Peter Canisius Catholic School | Watford | Catholic | 7.0 | 7.0 | 8.3 | 7.9 | -0.9 ↓ | Visit |
| 2133 | 13 | Georges P Vanier Catholic School | Chatham | — | 6.6 | — | 6.6 | 6.7 | -0.1 ↓ | — |
| 2141 | 14 | Holy Trinity Catholic School | Sarnia | Catholic | 6.6 | 6.6 | 6.5 | 5.3 | +1.3 ↑ | Visit |
| 2155 | 15 | St Joseph Catholic School | Corunna | Catholic | 6.6 | 6.6 | 6.0 | 5.2 | +1.4 ↑ | Visit |
| 2163 | 16 | St Michael Catholic School | Ridgetown | Catholic | 6.6 | 6.6 | 7.5 | 7.2 | -0.6 ↓ | Visit |
| 2249 | 17 | St Elizabeth Catholic School | Wallaceburg | Catholic | 6.5 | 6.5 | 6.7 | 8.3 | -1.8 ↓ | Visit |
| 2398 | 18 | Gregory A Hogan Catholic School | Sarnia | Catholic | 6.3 | 6.3 | 5.8 | 7.6 | -1.3 ↓ | Visit |
| 2486 | 19 | Christ the King Catholic School | Wallaceburg | Catholic | 6.2 | 6.2 | 7.3 | 5.9 | +0.3 ↑ | Visit |
| 2897 | 20 | St Anne Catholic School | Blenheim | Catholic | 5.7 | 5.7 | 6.9 | 7.0 | -1.3 ↓ | Visit |
| 3059 | 21 | Holy Family Catholic School | Wallaceburg | Catholic | 5.4 | 5.4 | 6.3 | 6.6 | -1.2 ↓ | Visit |
| 3432 | 22 | St Matthew Catholic School | Sarnia | Catholic | 4.5 | 4.5 | 6.3 | 4.9 | -0.4 ↓ | Visit |
| 3439 | 23 | St Ursula Catholic School | Chatham | Catholic | 4.5 | — | 4.5 | 5.3 | -0.8 ↓ | Visit |
| 3933 | 24 | St. Teresa of Calcutta Catholic School | Chatham | Catholic | — | — | — | — | — | Visit |