| 5 | Ashbury College | Ottawa | Site based only | Conference of Independent Schools of Ontario | Visit |
| 21 | Fern Hill School | Ottawa | Site based only | Ontario Federation of Independent Schools | Visit |
| 28 | Heritage Academy | Ottawa | Site based only | Ontario Federation of Independent Schools | Visit |
| 35 | Joan of Arc Academy | Ottawa | Site based only | Ontario Federation of Independent Schools | Visit |
| 41 | Mindware Academy | OTTAWA | Site based only | Ontario Federation of Independent Schools | Visit |
| 85 | Bishop Hamilton Montessori School | Ottawa | Site based only | Canadian Council of Montessori Administrators (CCMA) | Visit |
| 132 | Ottawa Montessori School/Ecole Montessor | Ottawa | Site based only | Canadian Council of Montessori Administrators (CCMA) | Visit |
| 142 | The Element | Ottawa | Site based only | Canadian Council of Montessori Administrators (CCMA) | Visit |
| 152 | Abraar School - Elementary | Ottawa | Site based only | Muslim Association of Canada | Visit |
| 155 | Al Furqan School | Ottawa | Site based only | Muslim Association of Canada | Visit |
| 194 | Elmwood School | Ottawa | Online/Site Based | IB Schools of Ontario | Visit |
| 221 | Jérôme Lejeune School | Ottawa | Site based only | EDVance | Visit |
| 257 | Ottawa Adventist Elementary School | Ottawa | Site based only | Ontario Conference of the Seventh Day Adventist Church | Visit |
| 258 | Ottawa Christian School | Ottawa | Site based only | EDVance | Visit |
| 263 | Polaris School and Centre | Ottawa | Site based only | Waldorf Early Childhood Association of North America | Visit |
| 282 | St. Timothy's Classical Academy | Ottawa | Site based only | EDVance | Visit |
| 320 | Abraar | Ottawa | Site based only | No Association Membership | Visit |
| 327 | Académie de la Capitale | Ottawa | Site based only | Other | Visit |
| 328 | Académie Providence Soeurs Antonines | Ottawa | Site based only | Other | Visit |
| 340 | Ahlul Bayt Islamic School | Ottawa | Site based only | No Association Membership | Visit |
| 389 | ARC Studio School | Ottawa | Site based only | No Association Membership | Visit |
| 397 | Astolot Education Centre | Ottawa | Site based only | No Association Membership | Visit |
| 411 | Ayabeh Skills Academy | Ottawa | | — | — |
| 436 | Blossom Montessori School | Ottawa | Site based only | No Association Membership | Visit |
| 482 | Canada Knowledge Academy | Ottawa | Online/Site Based | No Association Membership | Visit |
| 632 | Glebe Montessori School | Ottawa | Site based only | No Association Membership | Visit |
| 734 | KAI Global School | Ottawa | Online/Site Based | No Association Membership | Visit |
| 735 | Kanata Academy | Ottawa | Online/Site Based | No Association Membership | Visit |
| 770 | Le Cercle des savoirs | Ottawa | Online/Site Based | No Association Membership | — |
| 792 | Lycée Claudel | Ottawa | Site based only | No Association Membership | Visit |
| 796 | Macdonald-Cartier Academy | Ottawa | Site based only | No Association Membership | Visit |
| 828 | Marifah School | Ottawa | Site based only | No Association Membership | Visit |
| 834 | Maryvale Academy of Ottawa | OTTAWA | Site based only | No Association Membership | Visit |
| 914 | Nova Independent School | Ottawa | Online/Site Based | No Association Membership | — |
| 945 | Ottawa Jewish Community School | OTTAWA | Site based only | No Association Membership | Visit |
| 975 | Phoenix Private Academy | Ottawa | Site based only | No Association Membership | Visit |
| 1004 | Revel Academy | Ottawa | Site based only | Other | Visit |
| 1079 | St. Laurent Academy | Ottawa | Site based only | No Association Membership | Visit |
| 1134 | Torah Academy/Yeshiva HS of Ottawa | Ottawa | Site based only | No Association Membership | Visit |
| 1152 | Turnbull School | Ottawa | Site based only | No Association Membership | Visit |
| 1193 | Westboro Academy | Ottawa | Site based only | No Association Membership | Visit |
| 1231 | École lbn Batouta | Ottawa | Online/Site Based | No Association Membership | Visit |
| 1234 | École Sainte-Marie Mère de Dieu | Ottawa | Online/Site Based | No Association Membership | Visit |