| 33 | Holy Trinity School | Richmond Hill | Online/Site Based | Conference of Independent Schools of Ontario | Visit |
| 49 | Prestige School, The -Richmond Hill | Richmond Hill | Site based only | Ontario Federation of Independent Schools | Visit |
| 53 | Richmond Hill Montessori Private School | Richmond Hill | Site based only | Ontario Federation of Independent Schools | Visit |
| 117 | Lauremont School Lower School | Richmond Hill | Site based only | Canadian Council of Montessori Administrators (CCMA) | Visit |
| 196 | Eureka Montessori | Richmond Hill | Site based only | Independent and Private School Forum | Visit |
| 268 | Richland Academy | Richmond Hill | Site based only | IB Schools of Ontario | Visit |
| 323 | Academy for Gifted Children, The (PACE) | Richmond Hill | Site based only | No Association Membership | Visit |
| 344 | AIM Without Limits (AWL) | Richmond Hill | Site based only | No Association Membership | Visit |
| 398 | Astrum Academy | Richmond Hill | Online/Site Based | No Association Membership | Visit |
| 491 | Canadian private school | Richmond hill | Online/Site Based | No Association Membership | Visit |
| 493 | Canadian Top Science Academy | Richmond Hill | Online/Site Based | Other | Visit |
| 494 | Canadians Private School | Richmond hill | Online/Site Based | No Association Membership | Visit |
| 507 | Century Private School | Richmond Hill | Site based only | No Association Membership | Visit |
| 548 | CWS Canadian World Schools | Richmond Hill | Online Only | No Association Membership | — |
| 565 | Discovery Academy Inc | Richmond Hill | Online/Site Based | No Association Membership | Visit |
| 569 | Duowei Education Centre | Richmond Hill | Site based only | No Association Membership | — |
| 577 | Edukos Academy | Richmond Hill | Online Only | No Association Membership | — |
| 583 | Elton Academy | Richmond Hill | Online/Site Based | No Association Membership | Visit |
| 636 | Global Private School | Richmond Hill | Online/Site Based | Other | Visit |
| 706 | IntelliBridge Academy | Richmond Hill | Online/Site Based | No Association Membership | — |
| 726 | JEI Learning Center | Richmond Hill | Site based only | No Association Membership | Visit |
| 769 | Lauremont School Upper School | Richmond Hill | Site based only | No Association Membership | Visit |
| 900 | No. 1 Chinese School | Richmond Hill | Site based only | No Association Membership | — |
| 939 | OpenMind Alliance | Richmond Hill | Site based only | No Association Membership | Visit |
| 994 | Queen's Glen | Richmond Hill | Site based only | No Association Membership | Visit |
| 1005 | Richmond Hill Christian Academy | Richmond Hill | Site based only | No Association Membership | Visit |
| 1147 | Trinity International School | Richmond Hill | Online Only | No Association Membership | Visit |
| 1172 | Victoria Academy | Richmond Hill | Online/Site Based | No Association Membership | Visit |