| 3 | Appleby College | Oakville | Site based only | Conference of Independent Schools of Ontario | Visit |
| 42 | St Mildred's-Lightbourn School | Oakville | Online/Site Based | Conference of Independent Schools of Ontario | Visit |
| 91 | King's Christian Collegiate | Oakville | Site based only | EDVance | Visit |
| 173 | Alfajrul Bassem Academy | Oakville | Online/Site Based | No Association Membership | Visit |
| 183 | American Islamic High School | Oakville | Online Only | No Association Membership | — |
| 184 | American Islamic School | Oakville | Online Only | No Association Membership | Visit |
| 306 | Chisholm Academy | Oakville | Site based only | No Association Membership | Visit |
| 379 | Fern Hill | Oakville | Site based only | Other | Visit |
| 448 | Innovative Academy of the Dramatic Arts | Oakville | Site based only | No Association Membership | Visit |
| 453 | Inspiration Private School - Oakville | Oakville | Site based only | No Association Membership | — |
| 464 | Islamic School of Canada | Oakville | Online Only | No Association Membership | Visit |
| 525 | MacLachlan College | Oakville | Site based only | No Association Membership | Visit |
| 543 | Marey Academy | Oakville | Online/Site Based | No Association Membership | Visit |
| 559 | Merriam High School | Oakville | Online/Site Based | No Association Membership | Visit |
| 613 | Oakville Online Academy | Oakville | Online Only | No Association Membership | — |
| 659 | P.E.N. Academy | Oakville | Online/Site Based | No Association Membership | — |
| 694 | Rotherglen School - Oakville Elementary | Oakville | Site based only | No Association Membership | Visit |
| 731 | Speak Spanish Academy | Oakville | | — | Visit |
| 864 | World Life Education Inc | Oakville | Online/Site Based | No Association Membership | Visit |