| 503 | Cedarvale Christian School | Harriston | Site based only | No Association Membership | — |
| 635 | Glenlee Parochial School | Harriston | Site based only | No Association Membership | — |
| 859 | Minto Meadow Parochial School | Harriston | Site based only | No Association Membership | — |
| 1045 | Seven Bridges Parochial School | Harriston | Site based only | No Association Membership | — |
| 1119 | The Owl's Nest Holistic Alternative Scho | Harriston | Site based only | No Association Membership | — |
| 1214 | Woodland Corners Parochial School | Harriston | Site based only | No Association Membership | — |