| 172 | 1 | St. Timothy Catholic Elementary School | Burlington | Catholic | 8.9 | 8.9 | 8.2 | 8.0 | +0.9 ↑ | Visit |
| 217 | 2 | Our Lady of Fatima Catholic Elementary School | Milton | Catholic | 8.8 | 8.8 | 8.8 | 7.4 | +1.4 ↑ | Visit |
| 229 | 3 | St. Joan of Arc Catholic Elementary School | Oakville | Catholic | 8.8 | 8.8 | 8.7 | 7.8 | +1.0 ↑ | Visit |
| 271 | 4 | St. Bernadette Catholic Elementary School | Oakville | Catholic | 8.7 | 8.7 | 8.1 | 8.2 | +0.5 ↑ | Visit |
| 275 | 5 | St. Marguerite d'Youville Catholic Elementary School | Oakville | Catholic | 8.7 | 8.7 | 8.9 | 8.7 | 0.0 → | Visit |
| 276 | 6 | St. Matthew Catholic Elementary School | Oakville | Catholic | 8.7 | 8.7 | 8.7 | 8.9 | -0.2 ↓ | Visit |
| 309 | 7 | St. Mary Catholic Elementary School | Oakville | Catholic | 8.6 | 8.6 | 7.1 | 8.1 | +0.5 ↑ | Visit |
| 321 | 8 | St. Dominic Catholic Elementary School | Oakville | Catholic | 8.6 | 8.6 | 8.2 | 8.3 | +0.3 ↑ | Visit |
| 322 | 9 | St. Elizabeth Seton Catholic Elementary School | Burlington | Catholic | 8.6 | 8.6 | 8.5 | 7.2 | +1.4 ↑ | Visit |
| 363 | 10 | Canadian Martyrs Catholic Elementary School | Burlington | Catholic | 8.5 | 8.5 | 8.8 | 8.8 | -0.3 ↓ | Visit |
| 370 | 11 | Our Lady of Peace Catholic Elementary School | Oakville | Catholic | 8.5 | 8.5 | 7.4 | 8.8 | -0.3 ↓ | Visit |
| 482 | 12 | Sacred Heart of Jesus Catholic Elementary School | Burlington | Catholic | 8.3 | 8.3 | 7.9 | 8.1 | +0.2 ↑ | Visit |
| 552 | 13 | Ascension Catholic Elementary School | Burlington | Catholic | 8.2 | 8.2 | 7.9 | 8.3 | -0.1 ↓ | Visit |
| 769 | 14 | Guardian Angels Catholic Elementary School | Milton | Catholic | 7.9 | 7.9 | 8.0 | 7.3 | +0.6 ↑ | Visit |
| 786 | 15 | St. Andrew Catholic Elementary School | Oakville | Catholic | 7.9 | 7.9 | 8.4 | 7.8 | +0.1 ↑ | Visit |
| 792 | 16 | St. Francis of Assisi Catholic Elementary School | Georgetown | Catholic | 7.9 | 7.9 | 7.0 | 5.8 | +2.1 ↑ | Visit |
| 886 | 17 | St. Anne Catholic Elementary School | Burlington | Catholic | 7.8 | 7.8 | 8.4 | 8.5 | -0.7 ↓ | Visit |
| 901 | 18 | St. Raphael Catholic Elementary School | Burlington | Catholic | 7.8 | 7.8 | 7.9 | 8.5 | -0.7 ↓ | Visit |
| 967 | 19 | St. Anthony of Padua Catholic Elementary School | Milton | Catholic | 7.7 | 7.7 | 7.8 | 7.4 | +0.3 ↑ | Visit |
| 981 | 20 | St. Gregory the Great Catholic Elementary School | Oakville | Catholic | 7.7 | 7.7 | 7.7 | 8.1 | -0.4 ↓ | — |
| 994 | 21 | St. Christopher Catholic Elementary School | Burlington | Catholic | 7.7 | 7.7 | 8.0 | 7.2 | +0.5 ↑ | Visit |
| 1052 | 22 | St. Benedict Catholic Elementary School | Milton | Catholic | 7.6 | 7.6 | 7.4 | 7.6 | 0.0 → | — |
| 1072 | 23 | St. Nicholas Catholic Elementary School | Oakville | Catholic | 7.6 | 7.6 | 7.2 | 7.7 | -0.1 ↓ | Visit |
| 1207 | 24 | St. Mark Catholic Elementary School | Burlington | Catholic | 7.5 | 7.5 | 8.0 | 7.0 | +0.5 ↑ | Visit |
| 1275 | 25 | Holy Rosary (Milton) Catholic Elementary School | Milton | Catholic | 7.4 | 7.4 | 7.5 | 8.0 | -0.6 ↓ | Visit |
| 1293 | 26 | St. Scholastica Catholic Elementary School | Town of Milton | Catholic | 7.4 | 7.4 | 7.6 | 6.8 | +0.6 ↑ | — |
| 1376 | 27 | St. Teresa of Calcutta Catholic Elementary School | Oakville | Catholic | 7.3 | 7.3 | 8.4 | 8.2 | -0.9 ↓ | Visit |
| 1729 | 28 | St. Paul Catholic Elementary School | Burlington | Catholic | 7.0 | 7.0 | 7.1 | 6.9 | +0.1 ↑ | Visit |
| 1789 | 29 | Lumen Christi Catholic Elementary School | Milton | Catholic | 6.9 | 6.9 | 7.0 | 7.1 | -0.2 ↓ | Visit |
| 1793 | 30 | Holy Rosary (Burlington) Catholic Elementary School | Burlington | Catholic | 6.9 | 6.9 | 7.4 | 7.5 | -0.6 ↓ | Visit |
| 1810 | 31 | Queen of Heaven Catholic Elementary School | Milton | Catholic | 6.9 | 6.9 | 7.0 | 6.9 | 0.0 → | — |
| 1901 | 32 | Our Lady of Victory Catholic Elementary School | Milton | Catholic | 6.8 | 6.8 | 7.1 | 5.8 | +1.0 ↑ | Visit |
| 1915 | 33 | St. Joseph (Acton) Catholic Elementary School | Acton | Catholic | 6.8 | 6.8 | 7.8 | 7.0 | -0.2 ↓ | Visit |
| 2022 | 34 | Holy Cross Catholic Elementary School | Halton Hills | Catholic | 6.7 | 6.7 | 7.1 | 7.0 | -0.3 ↓ | Visit |
| 2037 | 35 | St. Gabriel Catholic Elementary School | Burlington | Catholic | 6.7 | 6.7 | 6.6 | 6.5 | +0.2 ↑ | Visit |
| 2040 | 36 | St. John (Burlington) Catholic Elementary School | Burlington | Catholic | 6.7 | 6.7 | 6.7 | 7.1 | -0.4 ↓ | Visit |
| 2048 | 37 | St. Patrick Catholic Elementary School | Burlington | Catholic | 6.7 | 6.7 | 7.0 | 8.0 | -1.3 ↓ | Visit |
| 2053 | 38 | St. Peter Catholic Elementary School | Milton | Catholic | 6.7 | 6.7 | 6.6 | 7.1 | -0.4 ↓ | Visit |
| 2147 | 39 | St. Catherine of Alexandria Catholic Elementary School | Georgetown | Catholic | 6.6 | 6.6 | 7.7 | 6.9 | -0.3 ↓ | Visit |
| 2230 | 40 | St. John Paul II Catholic Elementary School | Oakville | Catholic | 6.5 | 6.5 | 7.1 | 6.7 | -0.2 ↓ | Visit |
| 2253 | 41 | St. Michael Catholic Elementary School | Oakville | Catholic | 6.5 | 6.5 | 5.3 | 6.9 | -0.4 ↓ | Visit |
| 2411 | 42 | St. Brigid Catholic Elementary School | Georgetown | Catholic | 6.3 | 6.3 | 7.2 | 6.7 | -0.4 ↓ | Visit |
| 2962 | 43 | St. Luke Catholic Elementary School | Oakville | Catholic | 5.6 | 5.6 | 8.5 | 9.0 | -3.4 ↓ | Visit |
| 3013 | 44 | Holy Family Catholic Elementary School | Oakville | Catholic | 5.5 | 5.5 | 6.6 | 7.0 | -1.5 ↓ | Visit |
| 3185 | 45 | St. Vincent Catholic Elementary School | Oakville | Catholic | 5.2 | 5.2 | 7.6 | 9.3 | -4.1 ↓ | Visit |
| 3946 | 46 | St. Josephine Bakhita Catholic Elementary School | Milton | Catholic | — | — | — | — | — | Visit |
| 3955 | 47 | St. Veronica Catholic Elementary School | Milton | Catholic | — | — | — | — | — | — |
| 4014 | 48 | St. Cecilia Catholic Elementary School | Oakville | Catholic | — | — | — | — | — | — |
| 4054 | 49 | Georgetown West (Elementary) School | | Catholic | — | — | — | — | — | — |
| 4055 | 50 | North Oakville #3 (Elementary) | | Catholic | — | — | — | — | — | — |