| 136 | 1 | Eden High School | DSB Niagara | St Catharines | Public | 7.9 | 7.9 | 8.2 | 8.1 | -0.2 ↓ | Visit |
| 186 | 4 | Sir Winston Churchill Secondary School | DSB Niagara | St Catharines | Public | 7.7 | 7.7 | 7.5 | 7.8 | -0.1 ↓ | Visit |
| 200 | 2 | Holy Cross Catholic Secondary School | Niagara CDSB | St Catharines | Catholic | 7.5 | 7.5 | 7.1 | 6.1 | +1.4 ↑ | Visit |
| 207 | 3 | Saint Francis Catholic Secondary School | Niagara CDSB | St Catharines | Catholic | 7.5 | 7.5 | 7.2 | 6.8 | +0.7 ↑ | Visit |
| 235 | 6 | Governor Simcoe Secondary School | DSB Niagara | St Catharines | Public | 7.4 | 7.4 | 7.1 | 6.6 | +0.8 ↑ | Visit |
| 296 | 9 | Laura Secord Secondary School | DSB Niagara | St Catharines | Public | 7.2 | 7.2 | 6.9 | 7.0 | +0.2 ↑ | Visit |
| 326 | 6 | Denis Morris Catholic High School | Niagara CDSB | St Catharines | Catholic | 7.0 | 7.0 | 7.1 | 6.8 | +0.2 ↑ | Visit |
| 623 | 17 | St Catharines Collegiate Institute and Vocational School | DSB Niagara | St Catharines | Public | 5.6 | 5.6 | 5.0 | 4.9 | +0.7 ↑ | Visit |
| 854 | 19 | Lifetime Learning Centre Secondary School | DSB Niagara | St Catharines | Public | — | — | — | — | — | Visit |