| 2 | 1 | École secondaire Franco-Jeunesse | CS Viamonde | Sarnia | Public | 10.0 | 10.0 | 7.2 | 6.5 | +3.5 ↑ | Visit |
| 222 | 1 | Northern Collegiate Institute and Vocational School | Lambton Kent DSB | Sarnia | Public | 7.5 | 7.5 | 6.6 | 7.1 | +0.4 ↑ | Visit |
| 412 | 6 | École secondaire catholique Saint-François-Xavier | Conseil scolaire catholique Providence | Sarnia | Catholic | 6.6 | 6.6 | 6.0 | 6.9 | -0.3 ↓ | Visit |
| 438 | 2 | St Patrick's Catholic High School | St Clair CDSB | Sarnia | Catholic | 6.5 | 6.5 | 6.6 | 6.0 | +0.5 ↑ | Visit |
| 598 | 6 | Great Lakes Secondary School | Lambton Kent DSB | Sarnia | Public | 5.7 | 5.7 | 4.9 | 4.5 | +1.2 ↑ | Visit |
| 754 | 12 | Alexander Mackenzie Secondary School | Lambton Kent DSB | Sarnia | Public | 3.5 | — | 3.5 | 1.5 | +2.0 ↑ | Visit |