| 235 | 1 | St Matthew Catholic Elementary School | Waterloo | Catholic | 8.8 | 8.8 | 8.4 | 8.0 | +0.8 ↑ | Visit |
| 586 | 2 | St Nicholas Catholic Elementary School | Waterloo | Catholic | 8.2 | 8.2 | 7.8 | 8.1 | +0.1 ↑ | Visit |
| 623 | 3 | St Teresa of Calcutta Catholic Elementary School | Cambridge | Catholic | 8.1 | 8.1 | 6.9 | 6.9 | +1.2 ↑ | Visit |
| 693 | 4 | St Josephine Bakhita Catholic Elementary School | Kitchener | Catholic | 8.0 | 8.0 | — | — | — | Visit |
| 707 | 5 | St Margaret Catholic Elementary School | Cambridge | Catholic | 8.0 | 8.0 | 7.4 | 6.3 | +1.7 ↑ | Visit |
| 709 | 6 | Saint John Paul II Catholic Elementary School | Kitchener | Catholic | 8.0 | 8.0 | 8.3 | 8.4 | -0.4 ↓ | Visit |
| 714 | 7 | St Boniface Catholic Elementary School | Maryhill | Catholic | 8.0 | 8.0 | 7.3 | 7.6 | +0.4 ↑ | Visit |
| 802 | 8 | St Teresa Catholic Elementary School | Kitchener | Catholic | 7.9 | 7.9 | 7.9 | 8.5 | -0.6 ↓ | Visit |
| 877 | 9 | Our Lady of Grace Catholic Elementary School | Kitchener | Catholic | 7.8 | 7.8 | 6.8 | 7.8 | 0.0 → | Visit |
| 887 | 10 | St Brigid Catholic Elementary School | Ayr | Catholic | 7.8 | 7.8 | 8.1 | 8.3 | -0.5 ↓ | Visit |
| 969 | 11 | Blessed Sacrament Catholic Elementary School | Kitchener | Catholic | 7.7 | 7.7 | 7.4 | 7.5 | +0.2 ↑ | Visit |
| 976 | 12 | Holy Rosary Catholic Elementary School | Waterloo | Catholic | 7.7 | 7.7 | 7.4 | 7.4 | +0.3 ↑ | Visit |
| 1054 | 13 | St Kateri Tekakwitha Catholic Elementary School | Kitchener | Catholic | 7.6 | 7.6 | 7.8 | 7.7 | -0.1 ↓ | Visit |
| 1063 | 14 | St Augustine Catholic Elementary School | Cambridge | Catholic | 7.6 | 7.6 | 8.0 | 6.7 | +0.9 ↑ | Visit |
| 1178 | 15 | Canadian Martyrs Catholic Elementary School | Kitchener | Catholic | 7.5 | 7.5 | 8.2 | 8.2 | -0.7 ↓ | Visit |
| 1192 | 16 | Sir Edgar Bauer Catholic Elementary School | Waterloo | Catholic | 7.5 | 7.5 | 7.7 | 7.8 | -0.3 ↓ | Visit |
| 1301 | 17 | St Luke Catholic Elementary School | Waterloo | Catholic | 7.4 | 7.4 | 7.7 | 8.6 | -1.2 ↓ | Visit |
| 1302 | 18 | St Mark Catholic Elementary School | Kitchener | Catholic | 7.4 | 7.4 | 8.2 | 8.3 | -0.9 ↓ | Visit |
| 1484 | 19 | St Elizabeth Catholic Elementary School | Cambridge | Catholic | 7.2 | 7.2 | 7.5 | 7.7 | -0.5 ↓ | Visit |
| 1600 | 20 | St Anne Catholic Elementary School | Kitchener | Catholic | 7.1 | 7.1 | 7.3 | 7.1 | 0.0 → | Visit |
| 1618 | 21 | St Vincent de Paul Catholic Elementary School | Cambridge | Catholic | 7.1 | 7.1 | 7.7 | 6.6 | +0.5 ↑ | Visit |
| 1699 | 22 | Holy Family Catholic Elementary School | New Hamburg | Catholic | 7.0 | 7.0 | 7.0 | 7.0 | 0.0 → | Visit |
| 1735 | 23 | St Teresa of Avila Catholic Elementary School | Elmira | Catholic | 7.0 | 7.0 | 7.4 | 7.8 | -0.8 ↓ | Visit |
| 1736 | 24 | St Clement Catholic Elementary School | St Clements | Catholic | 7.0 | 7.0 | 7.2 | 5.8 | +1.2 ↑ | Visit |
| 2031 | 25 | St Aloysius Catholic Elementary School | Kitchener | Catholic | 6.7 | 6.7 | 6.7 | 7.3 | -0.6 ↓ | Visit |
| 2157 | 26 | St Joseph Catholic Elementary School | Cambridge | Catholic | 6.6 | 6.6 | 7.3 | 7.0 | -0.4 ↓ | Visit |
| 2245 | 27 | St Agnes Catholic Elementary School | Waterloo | Catholic | 6.5 | 6.5 | 8.3 | 8.3 | -1.8 ↓ | Visit |
| 2252 | 28 | St Gabriel Catholic Elementary School | Cambridge | Catholic | 6.5 | 6.5 | 7.4 | 7.4 | -0.9 ↓ | Visit |
| 2319 | 29 | John Sweeney Catholic Elementary School | Kitchener | Catholic | 6.4 | 6.4 | 6.8 | 7.5 | -1.1 ↓ | Visit |
| 2402 | 30 | Our Lady of Fatima Catholic Elementary School | Cambridge | Catholic | 6.3 | 6.3 | 6.8 | 7.1 | -0.8 ↓ | Visit |
| 2418 | 31 | St Michael Catholic Elementary School | Cambridge | Catholic | 6.3 | 6.3 | 6.6 | 6.4 | -0.1 ↓ | Visit |
| 2423 | 32 | St Timothy Catholic Elementary School | Kitchener | Catholic | 6.3 | 6.3 | 7.2 | 7.8 | -1.5 ↓ | Visit |
| 2505 | 33 | St Dominic Savio Catholic Elementary School | Kitchener | Catholic | 6.2 | 6.2 | 7.3 | 7.3 | -1.1 ↓ | Visit |
| 2517 | 34 | St Peter Catholic Elementary School | Cambridge | Catholic | 6.2 | 6.2 | 3.7 | 5.7 | +0.5 ↑ | Visit |
| 2590 | 35 | St Paul Catholic Elementary School | Kitchener | Catholic | 6.1 | 6.1 | 7.5 | 8.3 | -2.2 ↓ | Visit |
| 2734 | 36 | Our Lady of Lourdes Catholic Elementary School | Waterloo | Catholic | 5.9 | 5.9 | 7.5 | 8.5 | -2.6 ↓ | Visit |
| 2819 | 37 | Holy Spirit Catholic Elementary School | Cambridge | Catholic | 5.8 | 5.8 | 6.5 | 6.9 | -1.1 ↓ | Visit |
| 3116 | 38 | Monsignor Haller Catholic Elementary School | Kitchener | Catholic | 5.3 | 5.3 | 5.5 | 6.5 | -1.2 ↓ | Visit |
| 3179 | 39 | St Daniel Catholic Elementary School | Kitchener | Catholic | 5.2 | 5.2 | 5.0 | 5.0 | +0.2 ↑ | Visit |
| 3218 | 40 | St Bernadette Catholic Elementary School | Kitchener | Catholic | 5.1 | 5.1 | 4.8 | 6.5 | -1.4 ↓ | Visit |
| 3341 | 41 | St Anne Catholic Elementary School | Cambridge | Catholic | 4.8 | 4.8 | 5.9 | 6.1 | -1.3 ↓ | Visit |
| 3371 | 42 | Christ The King Catholic Elementary School | Cambridge | Catholic | 4.7 | 4.7 | 5.5 | 5.5 | -0.8 ↓ | Visit |
| 3489 | 43 | St John Catholic Elementary School | Kitchener | Catholic | 4.3 | 4.3 | 5.0 | 6.6 | -2.3 ↓ | Visit |
| 3635 | 44 | St Gregory Catholic Elementary School | Cambridge | Catholic | 3.3 | 3.3 | 3.3 | 3.6 | -0.3 ↓ | Visit |
| 3945 | 45 | South East Galt Catholic Elementary School (Elementary) School | Cambridge | Catholic | — | — | — | — | — | — |
| 3961 | 46 | Notre Dame Catholic Intermediate School | Kitchener | Catholic | — | — | — | — | — | — |
| 3987 | 47 | Holy Trinity Catholic Elementary School | Kitchener | Catholic | — | — | — | — | — | Visit |
| 4008 | 48 | St Patrick Catholic Elementary School | Kitchener | Catholic | — | — | — | — | — | Visit |