Largest Schools in Mississauga (2025)
Schools with the highest enrolment. Ranked by the Success Index (Canada) from official Canadian data; 100 schools in Mississauga, Ontario. Rank positions shown on each profile are within Canada and Ontario.
- 172St Francis Xavier Secondary SchoolMississauga · Catholic SecondaryEnrolment: 1,890
- 282John Fraser Secondary SchoolMississauga · Public SecondaryEnrolment: 1,715
- 377St Marcellinus Secondary SchoolMississauga · Catholic SecondaryEnrolment: 1,715
- 472St Aloysius Gonzaga Secondary SchoolMississauga · Catholic SecondaryEnrolment: 1,625
- 543Rick Hansen Secondary SchoolMississauga · Public SecondaryEnrolment: 1,415
- 664Port Credit Secondary SchoolMississauga · Public SecondaryEnrolment: 1,370
- 762Philip Pocock Catholic Secondary SchoolMississauga · Catholic SecondaryEnrolment: 1,230
- 854Stephen Lewis Secondary SchoolMississauga · Public SecondaryEnrolment: 1,225
- 976St Joseph Secondary SchoolMississauga · Catholic SecondaryEnrolment: 1,185
- 1071The Woodlands Secondary SchoolMississauga · Public SecondaryEnrolment: 1,160
- 1167Our Lady of Mount Carmel Secondary SchoolMississauga · Catholic SecondaryEnrolment: 1,155
- 1253Meadowvale Secondary SchoolMississauga · Public SecondaryEnrolment: 1,150
- 1356Applewood Heights Secondary SchoolMississauga · Public SecondaryEnrolment: 1,140
- 1424Father Michael Goetz Secondary SchoolMississauga · Catholic SecondaryEnrolment: 1,140
- 1548Glenforest Secondary SchoolMississauga · Public SecondaryEnrolment: 1,120
- 1655St Martin Secondary SchoolMississauga · Catholic SecondaryEnrolment: 1,090
- 1769Cawthra Park Secondary SchoolMississauga · Public SecondaryEnrolment: 1,085
- 1867St. Joan of Arc Catholic Secondary SchoolMississauga · Catholic SecondaryEnrolment: 1,015
- 1953Erindale Secondary SchoolMississauga · Public SecondaryEnrolment: 1,005
- 2052Mississauga Secondary SchoolMississauga · Public SecondaryEnrolment: 1,000
- 2167Loyola Catholic Secondary SchoolMississauga · Catholic SecondaryEnrolment: 950
- 2248Thomas Street Middle SchoolMississauga · Public ElementaryEnrolment: 920
- 2331Tomken Road Senior Public SchoolMississauga · Public ElementaryEnrolment: 905
- 2472St Paul Secondary SchoolMississauga · Catholic SecondaryEnrolment: 880
- 2527John Cabot Catholic Secondary SchoolMississauga · Catholic SecondaryEnrolment: 835
- 2620Lincoln M. Alexander Secondary SchoolMississauga · Public SecondaryEnrolment: 835
- 2774Streetsville Secondary SchoolMississauga · Public SecondaryEnrolment: 810
- 2886Lorne Park Secondary SchoolMississauga · Public SecondaryEnrolment: 795
- 2931Elm Drive (Elementary)Mississauga · Public ElementaryEnrolment: 760
- 3045Clarkson Secondary SchoolMississauga · Public SecondaryEnrolment: 740
- 3155David Leeder Middle SchoolMississauga · Public ElementaryEnrolment: 720
- 3219T. L. Kennedy Secondary SchoolMississauga · Public SecondaryEnrolment: 660
- 3380Plum Tree Park Public SchoolMississauga · Public ElementaryEnrolment: 655
- 3469Credit Valley Public SchoolMississauga · Public ElementaryEnrolment: 655
- 3550Iona Secondary SchoolMississauga · Catholic SecondaryEnrolment: 655
- 3616Ascension of Our Lord Secondary SchoolMississauga · Catholic SecondaryEnrolment: 655
- 3760Erin Centre Middle SchoolMississauga · Public ElementaryEnrolment: 650
- 3831Floradale Public SchoolMississauga · Public ElementaryEnrolment: 635
- 3925Camilla Road Senior Public SchoolMississauga · Public ElementaryEnrolment: 625
- 4067Lisgar Middle SchoolMississauga · Public ElementaryEnrolment: 610
- 4161Hazel McCallion Senior Public SchoolMississauga · Public ElementaryEnrolment: 610
- 4267St Sofia SchoolMississauga · Catholic ElementaryEnrolment: 605
- 4328Hillside Public School Public SchoolMississauga · Public ElementaryEnrolment: 605
- 4447Oscar Peterson Public SchoolMississauga · Public ElementaryEnrolment: 600
- 4551Bristol Road Middle SchoolMississauga · Public ElementaryEnrolment: 595
- 4635Briarwood Public SchoolMississauga · Public ElementaryEnrolment: 590
- 4747Middlebury Public SchoolMississauga · Public ElementaryEnrolment: 580
- 4856Churchill Meadows Public SchoolMississauga · Public ElementaryEnrolment: 575
- 4932Corsair Public SchoolMississauga · Public ElementaryEnrolment: 575
- 5076Vista Heights Public SchoolMississauga · Public ElementaryEnrolment: 570
- 5166St Thomas More SchoolMississauga · Catholic ElementaryEnrolment: 570
- 5257Allan A Martin Senior Public SchoolMississauga · Public ElementaryEnrolment: 570
- 5343Fairview Public SchoolMississauga · Public ElementaryEnrolment: 555
- 5441Queenston Drive Public SchoolMississauga · Public ElementaryEnrolment: 540
- 5549Ruth Thompson Middle SchoolMississauga · Public ElementaryEnrolment: 535
- 5625Fairwind Senior Public SchoolMississauga · Public ElementaryEnrolment: 535
- 5713Thornwood Public SchoolMississauga · Public ElementaryEnrolment: 535
- 5871ÉSC Sainte-FamilleMississauga · Catholic SecondaryEnrolment: 530
- 5958Edenwood Middle SchoolMississauga · Public ElementaryEnrolment: 530
- 6041Dolphin Senior Public SchoolMississauga · Public ElementaryEnrolment: 530
- 6134Chris Hadfield P.S. (Elementary)Mississauga · Public ElementaryEnrolment: 530
- 6240Nahani Way Public SchoolMississauga · Public ElementaryEnrolment: 525
- 6377St Gregory SchoolMississauga · Catholic ElementaryEnrolment: 515
- 6443Champlain Trail Public SchoolMississauga · Public ElementaryEnrolment: 515
- 6543St Valentine Elementary SchoolMississauga · Catholic ElementaryEnrolment: 510
- 6675St Timothy SchoolMississauga · Catholic ElementaryEnrolment: 505
- 6755Settler's Green Public SchoolMississauga · Public ElementaryEnrolment: 500
- 6847Huntington Ridge Public SchoolMississauga · Public ElementaryEnrolment: 500
- 6936Metropolitan Andrei Catholic SchoolMississauga · Catholic ElementaryEnrolment: 490
- 7051Janet I. McDougald Public SchoolMississauga · Public ElementaryEnrolment: 480
- 7145Burnhamthorpe Public SchoolMississauga · Public ElementaryEnrolment: 480
- 7267Castlebridge Public SchoolMississauga · Public ElementaryEnrolment: 475
- 7366Whiteoaks Public SchoolMississauga · Public ElementaryEnrolment: 475
- 7457McKinnon Public SchoolMississauga · Public ElementaryEnrolment: 475
- 7546Artesian Drive Public SchoolMississauga · Public ElementaryEnrolment: 475
- 7660Sherwood Mills Public SchoolMississauga · Public ElementaryEnrolment: 470
- 7757Barondale Public SchoolMississauga · Public ElementaryEnrolment: 470
- 7880Levi Creek Public SchoolMississauga · Public ElementaryEnrolment: 460
- 7952Edenrose Public SchoolMississauga · Public ElementaryEnrolment: 460
- 8033Ridgewood Public SchoolMississauga · Public ElementaryEnrolment: 460
- 8113Forest Glen Public SchoolMississauga · Public ElementaryEnrolment: 460
- 8259Whitehorn Public SchoolMississauga · Public ElementaryEnrolment: 455
- 8327Morning Star Middle SchoolMississauga · Public ElementaryEnrolment: 455
- 8416The Valleys Senior Public SchoolMississauga · Public ElementaryEnrolment: 445
- 8565Britannia Public SchoolMississauga · Public ElementaryEnrolment: 430
- 8627St Catherine of Siena SchoolMississauga · Catholic ElementaryEnrolment: 430
- 8722Cooksville Creek Public SchoolMississauga · Public ElementaryEnrolment: 430
- 8852Shelter Bay Public SchoolMississauga · Public ElementaryEnrolment: 425
- 8927St Francis of Assisi SchoolMississauga · Catholic ElementaryEnrolment: 425
- 9012Clifton Public SchoolMississauga · Public ElementaryEnrolment: 420
- 9169St Christopher SchoolMississauga · Catholic ElementaryEnrolment: 415
- 9264Ellengale Public SchoolMississauga · Public ElementaryEnrolment: 410
- 9348Kindree Public SchoolMississauga · Public ElementaryEnrolment: 410
- 9439St Margaret of Scotland SchoolMississauga · Catholic ElementaryEnrolment: 410
- 9529Fallingbrook Middle SchoolMississauga · Public ElementaryEnrolment: 410
- 9622Darcel Avenue Senior Public SchoolMississauga · Public ElementaryEnrolment: 410
- 9795St Edmund Separate SchoolMississauga · Catholic ElementaryEnrolment: 400
- 9880St. Bernard of Clairvaux Catholic Elementary SchoolMississauga · Catholic ElementaryEnrolment: 400
- 9963St Albert of Jerusalem Elementary SchoolMississauga · Catholic ElementaryEnrolment: 400
- 10026St Alfred SchoolMississauga · Catholic ElementaryEnrolment: 400
| # | School | Sector | Enrolment | Success Index (Canada) | Key result | Students |
|---|---|---|---|---|---|---|
| 1 | St Francis Xavier Secondary School Mississauga · Secondary · Grades 9-12 | Catholic | 1,890 | 72.1 Top 25% | 91% OSSLT pass rate | 1,890 |
| 2 | John Fraser Secondary School Mississauga · Secondary · Grades 9-12 | Public | 1,715 | 81.9 Top 10% | 95% OSSLT pass rate | 1,715 |
| 3 | St Marcellinus Secondary School Mississauga · Secondary · Grades 9-12 | Catholic | 1,715 | 76.6 Top 25% | 91% OSSLT pass rate | 1,715 |
| 4 | St Aloysius Gonzaga Secondary School Mississauga · Secondary · Grades 9-12 | Catholic | 1,625 | 71.5 Top 25% | 89% OSSLT pass rate | 1,625 |
| 5 | Rick Hansen Secondary School Mississauga · Secondary · Grades 9-12 | Public | 1,415 | 43.4 Lower 50% | 83% OSSLT pass rate | 1,415 |
| 6 | Port Credit Secondary School Mississauga · Secondary · Grades 9-12 | Public | 1,370 | 64.4 Top 50% | 91% OSSLT pass rate | 1,370 |
| 7 | Philip Pocock Catholic Secondary School Mississauga · Secondary · Grades 9-12 | Catholic | 1,230 | 61.8 Top 50% | 91% OSSLT pass rate | 1,230 |
| 8 | Stephen Lewis Secondary School Mississauga · Secondary · Grades 9-12 | Public | 1,225 | 53.6 Top 50% | 88% OSSLT pass rate | 1,225 |
| 9 | St Joseph Secondary School Mississauga · Secondary · Grades 9-12 | Catholic | 1,185 | 75.8 Top 25% | 91% OSSLT pass rate | 1,185 |
| 10 | The Woodlands Secondary School Mississauga · Secondary · Grades 9-12 | Public | 1,160 | 71.2 Top 25% | 93% OSSLT pass rate | 1,160 |
| 11 | Our Lady of Mount Carmel Secondary School Mississauga · Secondary · Grades 9-12 | Catholic | 1,155 | 66.9 Top 50% | 86% OSSLT pass rate | 1,155 |
| 12 | Meadowvale Secondary School Mississauga · Secondary · Grades 9-12 | Public | 1,150 | 52.8 Top 50% | 84% OSSLT pass rate | 1,150 |
| 13 | Applewood Heights Secondary School Mississauga · Secondary · Grades 9-12 | Public | 1,140 | 55.5 Top 50% | 92% OSSLT pass rate | 1,140 |
| 14 | Father Michael Goetz Secondary School Mississauga · Secondary · Grades 9-12 | Catholic | 1,140 | 24.4 Lower 50% | 80% OSSLT pass rate | 1,140 |
| 15 | Glenforest Secondary School Mississauga · Secondary · Grades 9-12 | Public | 1,120 | 48.0 Lower 50% | 89% OSSLT pass rate | 1,120 |
| 16 | St Martin Secondary School Mississauga · Secondary · Grades 9-12 | Catholic | 1,090 | 54.5 Top 50% | 84% OSSLT pass rate | 1,090 |
| 17 | Cawthra Park Secondary School Mississauga · Secondary · Grades 9-12 | Public | 1,085 | 68.9 Top 25% | 91% OSSLT pass rate | 1,085 |
| 18 | St. Joan of Arc Catholic Secondary School Mississauga · Secondary · Grades 9-12 | Catholic | 1,015 | 66.5 Top 50% | 86% OSSLT pass rate | 1,015 |
| 19 | Erindale Secondary School Mississauga · Secondary · Grades 9-12 | Public | 1,005 | 52.6 Top 50% | 87% OSSLT pass rate | 1,005 |
| 20 | Mississauga Secondary School Mississauga · Secondary · Grades 9-12 | Public | 1,000 | 52.3 Top 50% | 88% OSSLT pass rate | 1,000 |
| 21 | Loyola Catholic Secondary School Mississauga · Secondary · Grades 9-12 | Catholic | 950 | 67.3 Top 50% | 92% OSSLT pass rate | 950 |
| 22 | Thomas Street Middle School Mississauga · Elementary · Grades 6-8 | Public | 920 | 47.9 Lower 50% | 76.3% EQAO Grade 6 | 920 |
| 23 | Tomken Road Senior Public School Mississauga · Elementary · Grades 6-8 | Public | 905 | 30.9 Lower 50% | 70.3% EQAO Grade 6 | 905 |
| 24 | St Paul Secondary School Mississauga · Secondary · Grades 9-12 | Catholic | 880 | 71.8 Top 25% | 89% OSSLT pass rate | 880 |
| 25 | John Cabot Catholic Secondary School Mississauga · Secondary · Grades 9-12 | Catholic | 835 | 26.9 Lower 50% | 76% OSSLT pass rate | 835 |
| 26 | Lincoln M. Alexander Secondary School Mississauga · Secondary · Grades 9-12 | Public | 835 | 20.0 Lower 50% | 80% OSSLT pass rate | 835 |
| 27 | Streetsville Secondary School Mississauga · Secondary · Grades 9-12 | Public | 810 | 74.2 Top 25% | 91% OSSLT pass rate | 810 |
| 28 | Lorne Park Secondary School Mississauga · Secondary · Grades 9-12 | Public | 795 | 86.2 Top 5% | 96% OSSLT pass rate | 795 |
| 29 | Elm Drive (Elementary) Mississauga · Elementary · Grades JK-8 | Public | 760 | 30.7 Lower 50% | 67.3% EQAO Grade 6 | 760 |
| 30 | Clarkson Secondary School Mississauga · Secondary · Grades 9-12 | Public | 740 | 44.7 Lower 50% | 84% OSSLT pass rate | 740 |
| 31 | David Leeder Middle School Mississauga · Elementary · Grades 6-8 | Public | 720 | 55.3 Top 50% | 76% EQAO Grade 6 | 720 |
| 32 | T. L. Kennedy Secondary School Mississauga · Secondary · Grades 9-12 | Public | 660 | 19.4 Lower 50% | 85% OSSLT pass rate | 660 |
| 33 | Plum Tree Park Public School Mississauga · Elementary · Grades JK-6 | Public | 655 | 79.9 Top 10% | 82.7% EQAO Grade 6 | 655 |
| 34 | Credit Valley Public School Mississauga · Elementary · Grades JK-6 | Public | 655 | 69.1 Top 25% | 88.3% EQAO Grade 3 | 655 |
| 35 | Iona Secondary School Mississauga · Secondary · Grades 9-12 | Catholic | 655 | 49.8 Lower 50% | 83% OSSLT pass rate | 655 |
| 36 | Ascension of Our Lord Secondary School Mississauga · Secondary · Grades 9-12 | Catholic | 655 | 16.3 Lower 50% | 69% OSSLT pass rate | 655 |
| 37 | Erin Centre Middle School Mississauga · Elementary · Grades 6-8 | Public | 650 | 60.2 Top 50% | 81% EQAO Grade 6 | 650 |
| 38 | Floradale Public School Mississauga · Elementary · Grades JK-6 | Public | 635 | 30.7 Lower 50% | 71.7% EQAO Grade 6 | 635 |
| 39 | Camilla Road Senior Public School Mississauga · Elementary · Grades 6-8 | Public | 625 | 25.0 Lower 50% | 68.7% EQAO Grade 6 | 625 |
| 40 | Lisgar Middle School Mississauga · Elementary · Grades 6-8 | Public | 610 | 67.4 Top 25% | 80.7% EQAO Grade 6 | 610 |
| 41 | Hazel McCallion Senior Public School Mississauga · Elementary · Grades 6-8 | Public | 610 | 61.4 Top 50% | 80% EQAO Grade 6 | 610 |
| 42 | St Sofia School Mississauga · Elementary · Grades JK-8 | Catholic | 605 | 66.7 Top 50% | 83.3% EQAO Grade 6 | 605 |
| 43 | Hillside Public School Public School Mississauga · Elementary · Grades JK-8 | Public | 605 | 28.2 Lower 50% | 60.7% EQAO Grade 6 | 605 |
| 44 | Oscar Peterson Public School Mississauga · Elementary · Grades JK-6 | Public | 600 | 47.3 Lower 50% | 71% EQAO Grade 3 | 600 |
| 45 | Bristol Road Middle School Mississauga · Elementary · Grades 6-8 | Public | 595 | 50.8 Lower 50% | 78.3% EQAO Grade 6 | 595 |
| 46 | Briarwood Public School Mississauga · Elementary · Grades JK-6 | Public | 590 | 35.0 Lower 50% | 63.7% EQAO Grade 3 | 590 |
| 47 | Middlebury Public School Mississauga · Elementary · Grades JK-6 | Public | 580 | 47.3 Lower 50% | 71.7% EQAO Grade 3 | 580 |
| 48 | Churchill Meadows Public School Mississauga · Elementary · Grades JK-6 | Public | 575 | 55.7 Top 50% | 73.7% EQAO Grade 3 | 575 |
| 49 | Corsair Public School Mississauga · Elementary · Grades JK-6 | Public | 575 | 31.5 Lower 50% | 66.7% EQAO Grade 3 | 575 |
| 50 | Vista Heights Public School Mississauga · Elementary · Grades JK-6 | Public | 570 | 76.4 Top 25% | 81.7% EQAO Grade 3 | 570 |
| 51 | St Thomas More School Mississauga · Elementary · Grades JK-8 | Catholic | 570 | 66.3 Top 50% | 89.3% EQAO Grade 6 | 570 |
| 52 | Allan A Martin Senior Public School Mississauga · Elementary · Grades 6-8 | Public | 570 | 56.7 Top 50% | 77.7% EQAO Grade 6 | 570 |
| 53 | Fairview Public School Mississauga · Elementary · Grades JK-6 | Public | 555 | 42.8 Lower 50% | 70% EQAO Grade 3 | 555 |
| 54 | Queenston Drive Public School Mississauga · Elementary · Grades JK-8 | Public | 540 | 40.5 Lower 50% | 73% EQAO Grade 6 | 540 |
| 55 | Ruth Thompson Middle School Mississauga · Elementary · Grades 5-8 | Public | 535 | 49.2 Lower 50% | 73.3% EQAO Grade 6 | 535 |
| 56 | Fairwind Senior Public School Mississauga · Elementary · Grades 6-8 | Public | 535 | 24.7 Lower 50% | 66.3% EQAO Grade 6 | 535 |
| 57 | Thornwood Public School Mississauga · Elementary · Grades JK-6 | Public | 535 | 12.8 Lower 50% | 43.3% EQAO Grade 3 | 535 |
| 58 | ÉSC Sainte-Famille Mississauga · Secondary · Grades 9-12 | Catholic | 530 | 70.6 Top 25% | 92% OSSLT pass rate | 530 |
| 59 | Edenwood Middle School Mississauga · Elementary · Grades 7-8 | Public | 530 | 57.7 Top 50% | 530 Enrolment | 530 |
| 60 | Dolphin Senior Public School Mississauga · Elementary · Grades 6-8 | Public | 530 | 40.9 Lower 50% | 66.7% EQAO Grade 6 | 530 |
| 61 | Chris Hadfield P.S. (Elementary) Mississauga · Elementary · Grades JK-5 | Public | 530 | 33.8 Lower 50% | 70% EQAO Grade 3 | 530 |
| 62 | Nahani Way Public School Mississauga · Elementary · Grades JK-6 | Public | 525 | 40.4 Lower 50% | 69.3% EQAO Grade 3 | 525 |
| 63 | St Gregory School Mississauga · Elementary · Grades JK-8 | Catholic | 515 | 77.2 Top 25% | 88.3% EQAO Grade 6 | 515 |
| 64 | Champlain Trail Public School Mississauga · Elementary · Grades JK-6 | Public | 515 | 43.2 Lower 50% | 64.7% EQAO Grade 3 | 515 |
| 65 | St Valentine Elementary School Mississauga · Elementary · Grades JK-8 | Catholic | 510 | 42.8 Lower 50% | 70.7% EQAO Grade 6 | 510 |
| 66 | St Timothy School Mississauga · Elementary · Grades JK-8 | Catholic | 505 | 75.4 Top 25% | 87% EQAO Grade 6 | 505 |
| 67 | Settler's Green Public School Mississauga · Elementary · Grades JK-6 | Public | 500 | 54.8 Top 50% | 74.7% EQAO Grade 6 | 500 |
| 68 | Huntington Ridge Public School Mississauga · Elementary · Grades JK-6 | Public | 500 | 46.5 Lower 50% | 76.3% EQAO Grade 3 | 500 |
| 69 | Metropolitan Andrei Catholic School Mississauga · Elementary · Grades JK-8 | Catholic | 490 | 35.9 Lower 50% | 68.7% EQAO Grade 6 | 490 |
| 70 | Janet I. McDougald Public School Mississauga · Elementary · Grades JK-5 | Public | 480 | 50.5 Lower 50% | 57.7% EQAO Grade 3 | 480 |
| 71 | Burnhamthorpe Public School Mississauga · Elementary · Grades JK-6 | Public | 480 | 45.3 Lower 50% | 73.7% EQAO Grade 3 | 480 |
| 72 | Castlebridge Public School Mississauga · Elementary · Grades JK-6 | Public | 475 | 67.4 Top 25% | 78.7% EQAO Grade 3 | 475 |
| 73 | Whiteoaks Public School Mississauga · Elementary · Grades JK-6 | Public | 475 | 66.2 Top 50% | 77.7% EQAO Grade 3 | 475 |
| 74 | McKinnon Public School Mississauga · Elementary · Grades JK-5 | Public | 475 | 57.2 Top 50% | 79.3% EQAO Grade 3 | 475 |
| 75 | Artesian Drive Public School Mississauga · Elementary · Grades JK-6 | Public | 475 | 45.7 Lower 50% | 61% EQAO Grade 3 | 475 |
| 76 | Sherwood Mills Public School Mississauga · Elementary · Grades JK-6 | Public | 470 | 59.8 Top 50% | 74.3% EQAO Grade 3 | 470 |
| 77 | Barondale Public School Mississauga · Elementary · Grades JK-6 | Public | 470 | 57.1 Top 50% | 72.3% EQAO Grade 3 | 470 |
| 78 | Levi Creek Public School Mississauga · Elementary · Grades JK-6 | Public | 460 | 80.3 Top 10% | 83% EQAO Grade 3 | 460 |
| 79 | Edenrose Public School Mississauga · Elementary · Grades JK-6 | Public | 460 | 52.4 Top 50% | 68.7% EQAO Grade 3 | 460 |
| 80 | Ridgewood Public School Mississauga · Elementary · Grades JK-6 | Public | 460 | 32.8 Lower 50% | 64.3% EQAO Grade 3 | 460 |
| 81 | Forest Glen Public School Mississauga · Elementary · Grades JK-6 | Public | 460 | 13.2 Lower 50% | 51.3% EQAO Grade 3 | 460 |
| 82 | Whitehorn Public School Mississauga · Elementary · Grades JK-6 | Public | 455 | 58.7 Top 50% | 71.7% EQAO Grade 3 | 455 |
| 83 | Morning Star Middle School Mississauga · Elementary · Grades 6-8 | Public | 455 | 26.7 Lower 50% | 66.7% EQAO Grade 6 | 455 |
| 84 | The Valleys Senior Public School Mississauga · Elementary · Grades 6-8 | Public | 445 | 15.7 Lower 50% | 53% EQAO Grade 6 | 445 |
| 85 | Britannia Public School Mississauga · Elementary · Grades JK-8 | Public | 430 | 65.2 Top 50% | 76.7% EQAO Grade 3 | 430 |
| 86 | St Catherine of Siena School Mississauga · Elementary · Grades JK-8 | Catholic | 430 | 27.1 Lower 50% | 70.3% EQAO Grade 6 | 430 |
| 87 | Cooksville Creek Public School Mississauga · Elementary · Grades JK-6 | Public | 430 | 22.0 Lower 50% | 53.3% EQAO Grade 3 | 430 |
| 88 | Shelter Bay Public School Mississauga · Elementary · Grades JK-6 | Public | 425 | 52.4 Top 50% | 72% EQAO Grade 6 | 425 |
| 89 | St Francis of Assisi School Mississauga · Elementary · Grades JK-8 | Catholic | 425 | 27.2 Lower 50% | 63% EQAO Grade 6 | 425 |
| 90 | Clifton Public School Mississauga · Elementary · Grades JK-6 | Public | 420 | 11.6 Lower 50% | 48.7% EQAO Grade 3 | 420 |
| 91 | St Christopher School Mississauga · Elementary · Grades JK-8 | Catholic | 415 | 68.7 Top 25% | 82.3% EQAO Grade 6 | 415 |
| 92 | Ellengale Public School Mississauga · Elementary · Grades JK-8 | Public | 410 | 63.9 Top 50% | 91% EQAO Grade 6 | 410 |
| 93 | Kindree Public School Mississauga · Elementary · Grades JK-6 | Public | 410 | 48.1 Lower 50% | 54.7% EQAO Grade 3 | 410 |
| 94 | St Margaret of Scotland School Mississauga · Elementary · Grades JK-8 | Catholic | 410 | 39.2 Lower 50% | 76.3% EQAO Grade 6 | 410 |
| 95 | Fallingbrook Middle School Mississauga · Elementary · Grades JK-8 | Public | 410 | 28.7 Lower 50% | 64.3% EQAO Grade 6 | 410 |
| 96 | Darcel Avenue Senior Public School Mississauga · Elementary · Grades 6-8 | Public | 410 | 22.0 Lower 50% | 64.3% EQAO Grade 6 | 410 |
| 97 | St Edmund Separate School Mississauga · Elementary · Grades JK-8 | Catholic | 400 | 94.6 Top 5% | 96% EQAO Grade 6 | 400 |
| 98 | St. Bernard of Clairvaux Catholic Elementary School Mississauga · Elementary · Grades JK-8 | Catholic | 400 | 79.5 Top 10% | 81.3% EQAO Grade 6 | 400 |
| 99 | St Albert of Jerusalem Elementary School Mississauga · Elementary · Grades JK-8 | Catholic | 400 | 63.3 Top 50% | 76% EQAO Grade 6 | 400 |
| 100 | St Alfred School Mississauga · Elementary · Grades JK-8 | Catholic | 400 | 25.7 Lower 50% | 71% EQAO Grade 6 | 400 |
St Francis Xavier Secondary School in Mississauga leads the 2025 list of largest schools in Mississauga with Enrolment 1,890. Of the 100 schools shown, 71 are public, 29 are catholic.
For the full picture see the wider Ontario largest schools rankings, every school on the Mississauga page, or the comparison tool to put a shortlist side by side.
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Frequently asked questions
What is the best largest school in Mississauga?
St Francis Xavier Secondary School in Mississauga, Ontario ranks first among largest schools in Mississauga with Enrolment 1,890 (Enrolment: 1,890).
How are largest schools in Mississauga ranked?
Schools with the highest enrolment. Only schools eligible for the Success Index (Canada) are included; the index is shown alongside for context.
Are these 2025 rankings official?
No. They are computed by Success Tutoring from official Canadian data (Ontario – School information and student demographics; BC Data Catalogue – Foundation Skills Assessment). Provinces publish different assessments, so scores are comparable within a province, not between provinces.