| 24 | GlenOak Academy | Mississauga | Online/Site Based | Ontario Federation of Independent Schools | Visit |
| 32 | Holy Name of Mary College School | MISSISSAUGA | Site based only | Conference of Independent Schools of Ontario | Visit |
| 38 | Kendelhurst Academy | Mississauga | Site based only | Ontario Federation of Independent Schools | Visit |
| 47 | Peel Montessori School | Mississauga | Site based only | Ontario Federation of Independent Schools | Visit |
| 68 | The Toronto French School - Mississauga | Mississauga | Site based only | Conference of Independent Schools of Ontario | Visit |
| 96 | Elite Montessori School | Mississauga | Site based only | Canadian Council of Montessori Administrators (CCMA) | Visit |
| 106 | Kaban Montessori School | Mississauga | Site based only | Canadian Council of Montessori Administrators (CCMA) | Visit |
| 129 | Northstar Montessori Private School | Mississauga | Site based only | Canadian Council of Montessori Administrators (CCMA) | Visit |
| 151 | White Oaks Montessori School | Mississauga | Site based only | Canadian Council of Montessori Administrators (CCMA) | Visit |
| 214 | ISNA Elementary School | Mississauga | Site based only | Islamic Society of North America - Canada | Visit |
| 233 | Lynn-Rose College | Mississauga | Online/Site Based | IB Schools of Ontario | Visit |
| 234 | Lynn-Rose Heights Private School - Elem | MISSISSAUGA | Site based only | IB Schools of Ontario | Visit |
| 245 | Mississauga Christian Academy | Mississauga | Site based only | EDVance | Visit |
| 274 | Sherwood Heights School | Mississauga | Site based only | Independent and Private School Forum | Visit |
| 275 | Sherwood Heights School - Mississauga | Mississauga | Site based only | Independent and Private School Forum | Visit |
| 279 | Spark Asher Academy | Mississauga | Online/Site Based | Independent and Private School Forum | Visit |
| 317 | ABC Montessori Private School | Mississauga | Site based only | No Association Membership | Visit |
| 341 | Ahmadiyya Elementary School | Mississauga | Site based only | No Association Membership | — |
| 352 | Al Huda Elementary School | Mississauga | Site based only | No Association Membership | Visit |
| 361 | AL-Manarat Islamic School | Mississauga | Online/Site Based | No Association Membership | Visit |
| 363 | Al-Risala Academy | MISSISSAUGA | Online/Site Based | No Association Membership | Visit |
| 368 | ALDERWOOD ACADEMY | MISSISSAUGA | Site based only | No Association Membership | — |
| 372 | AM International Private Schools and Childcare | Mississauga | Online Only | No Association Membership | Visit |
| 410 | Averroes Academy | Mississauga | Online/Site Based | No Association Membership | — |
| 422 | Beacon House International College | Mississauga | Online/Site Based | No Association Membership | Visit |
| 435 | Blake Academy | Mississauga | Site based only | No Association Membership | Visit |
| 455 | Brock Academy | Mississauga | Online/Site Based | No Association Membership | Visit |
| 467 | C.E. Academy | Mississauga | Site based only | No Association Membership | Visit |
| 489 | Canadian International Secondary School | Mississauga | Online/Site Based | No Association Membership | — |
| 511 | Children's Learning Garden Inc | Mississauga | Site based only | No Association Membership | Visit |
| 542 | Crawford Adventist Academy - Peel Campus | Mississauga | Site based only | No Association Membership | Visit |
| 544 | CRESCENT ACADEMY (CLCI) | Mississauga | Site based only | No Association Membership | Visit |
| 563 | Dewey College | Mississauga | Online/Site Based | No Association Membership | Visit |
| 592 | Everest Academy Centre | Mississauga | Online/Site Based | No Association Membership | — |
| 612 | Flexi Academy | Mississauga | Online Only | No Association Membership | Visit |
| 613 | FlexiBlend School | Mississauga | Online Only | No Association Membership | Visit |
| 658 | Guiding Light Academy | Mississauga | Site based only | No Association Membership | Visit |
| 708 | International Canadian Future School | Mississauga | Online/Site Based | No Association Membership | — |
| 712 | IPC Academy | Mississauga | Online/Site Based | No Association Membership | Visit |
| 713 | IQRA Islamic School | Mississauga | Site based only | No Association Membership | Visit |
| 724 | Jana Academy | Mississauga | Site based only | No Association Membership | — |
| 745 | Khalsa School Malton | Mississauga | Online/Site Based | No Association Membership | Visit |
| 799 | Madaniyya Academy | Mississauga | Site based only | No Association Membership | — |
| 805 | Maingate Islamic Academy | Mississauga | Site based only | No Association Membership | Visit |
| 818 | Maple Root Academy | Mississauga | Online/Site Based | No Association Membership | — |
| 839 | McCanny Secondary School (West Campus) | Mississauga | Site based only | No Association Membership | Visit |
| 843 | Meadow Green Academy - Lakeshore | Mississauga | Site based only | No Association Membership | Visit |
| 845 | Mentor College | Mississauga | Site based only | No Association Membership | Visit |
| 846 | Mentor College Primary Campus | Mississauga | Site based only | No Association Membership | Visit |
| 863 | Monarch Academy | Mississauga | | — | Visit |
| 865 | Montessori in the Woods | Mississauga | Site based only | No Association Membership | Visit |
| 874 | Mount Sinai Education | Mississauga | Online Only | No Association Membership | — |
| 894 | Newton's Grove School | Mississauga | Site based only | No Association Membership | Visit |
| 922 | Oakwood Academy | Mississauga | Site based only | No Association Membership | Visit |
| 927 | Olive Grove School | Mississauga | Online/Site Based | No Association Membership | Visit |
| 931 | OnScholars | Mississauga | Online Only | No Association Membership | Visit |
| 938 | Ontario Premier School | mississauga | Online/Site Based | No Association Membership | — |
| 974 | Philopateer Christian College | Mississauga | Online/Site Based | Other | Visit |
| 992 | Quark West School | Mississauga | Online/Site Based | No Association Membership | Visit |
| 1010 | Riyadh Alsalehin School | Mississauga | Online/Site Based | No Association Membership | Visit |
| 1015 | Rotherglen School | Mississauga | Site based only | No Association Membership | Visit |
| 1017 | Rotherglen School Meadowvale Campus | Mississauga | Site based only | No Association Membership | Visit |
| 1023 | Saba's Academy | Mississauga | Online/Site Based | No Association Membership | Visit |
| 1025 | Safa & Marwa Islamic School | Mississauga | Online/Site Based | No Association Membership | Visit |
| 1026 | Safa & Marwa Islamic School | Mississauga | Online/Site Based | No Association Membership | Visit |
| 1028 | Saint Sava Serbian Orthodox Elementary School | Mississauga | Site based only | No Association Membership | Visit |
| 1037 | Scholars Academy | Mississauga | Site based only | No Association Membership | Visit |
| 1050 | Shiloh Christian Institute | Mississauga | Site based only | No Association Membership | Visit |
| 1052 | Shining Stars School | MISSISSAUGA | Site based only | No Association Membership | Visit |
| 1056 | Sikhi Maarag School | Mississauga | Site based only | No Association Membership | Visit |
| 1077 | St. Jude's Academy | Mississauga | Site based only | No Association Membership | Visit |
| 1081 | Star Academy | Mississauga | Site based only | No Association Membership | Visit |
| 1089 | Streetsville Academy Elementary School | Mississauga | Site based only | No Association Membership | Visit |
| 1097 | T.E.A.M. School | Mississauga | Site based only | No Association Membership | Visit |
| 1109 | The Elite Academy of Exellence | Mississauga | | — | — |
| 1110 | The Erindale Academy | Mississauga | Online/Site Based | No Association Membership | Visit |
| 1139 | Toronto International Academy | Mississauga | Online/Site Based | No Association Membership | Visit |
| 1166 | USCA Academy | Mississauga | Online/Site Based | No Association Membership | Visit |
| 1171 | Vianney Academy | Mississauga | Site based only | No Association Membership | — |