Largest Schools in Newmarket (2025)
Schools with the highest enrolment. Ranked by the Success Index (Canada) from official Canadian data; 28 schools in Newmarket, Ontario. Rank positions shown on each profile are within Canada and Ontario.
- 184Newmarket High SchoolNewmarket · Public SecondaryEnrolment: 1,515
- 246Huron Heights Secondary SchoolNewmarket · Public SecondaryEnrolment: 1,295
- 360Sacred Heart Catholic High SchoolNewmarket · Catholic SecondaryEnrolment: 1,240
- 465Sir William Mulock Secondary SchoolNewmarket · Public SecondaryEnrolment: 1,190
- 544Dr John M Denison Secondary SchoolNewmarket · Public SecondaryEnrolment: 1,000
- 679Bogart Public SchoolNewmarket · Public ElementaryEnrolment: 695
- 763Stonehaven Elementary SchoolNewmarket · Public ElementaryEnrolment: 615
- 866Poplar Bank Public SchoolNewmarket · Public ElementaryEnrolment: 605
- 949Clearmeadow Public SchoolNewmarket · Public ElementaryEnrolment: 560
- 1069Mazo De La Roche Public SchoolNewmarket · Public ElementaryEnrolment: 550
- 1164Alexander Muir Public SchoolNewmarket · Public ElementaryEnrolment: 540
- 1260Canadian Martyrs Catholic Elementary SchoolNewmarket · Catholic ElementaryEnrolment: 530
- 1336St Elizabeth Seton Catholic Elementary SchoolNewmarket · Catholic ElementaryEnrolment: 500
- 1475Crossland Public SchoolNewmarket · Public ElementaryEnrolment: 470
- 1581Rogers Public SchoolNewmarket · Public ElementaryEnrolment: 420
- 1648Meadowbrook Public SchoolNewmarket · Public ElementaryEnrolment: 415
- 1769Terry Fox Public SchoolNewmarket · Public ElementaryEnrolment: 410
- 1828Notre Dame Catholic Elementary SchoolNewmarket · Catholic ElementaryEnrolment: 410
- 1943Maple Leaf Public SchoolNewmarket · Public ElementaryEnrolment: 405
- 2070St Nicholas Catholic Elementary SchoolNewmarket · Catholic ElementaryEnrolment: 400
- 2132Prince Charles Public SchoolNewmarket · Public ElementaryEnrolment: 355
- 2249Denne Public SchoolNewmarket · Public ElementaryEnrolment: 350
- 2365Armitage Village Public SchoolNewmarket · Public ElementaryEnrolment: 345
- 2448St John Chrysostom Catholic Elementary SchoolNewmarket · Catholic ElementaryEnrolment: 210
- 2549Stuart Scott Public SchoolNewmarket · Public ElementaryEnrolment: 200
- 2627Glen Cedar Public SchoolNewmarket · Public ElementaryEnrolment: 200
- 2753St Paul Catholic Elementary SchoolNewmarket · Catholic ElementaryEnrolment: 150
- 2815J L R Bell Public SchoolNewmarket · Public ElementaryEnrolment: 135
| # | School | Sector | Enrolment | Success Index (Canada) | Key result | Students |
|---|---|---|---|---|---|---|
| 1 | Newmarket High School Newmarket · Secondary · Grades 9-12 | Public | 1,515 | 84.1 Top 10% | 97% OSSLT pass rate | 1,515 |
| 2 | Huron Heights Secondary School Newmarket · Secondary · Grades 9-12 | Public | 1,295 | 45.7 Lower 50% | 85% OSSLT pass rate | 1,295 |
| 3 | Sacred Heart Catholic High School Newmarket · Secondary · Grades 9-12 | Catholic | 1,240 | 59.8 Top 50% | 85% OSSLT pass rate | 1,240 |
| 4 | Sir William Mulock Secondary School Newmarket · Secondary · Grades 9-12 | Public | 1,190 | 65.2 Top 50% | 89% OSSLT pass rate | 1,190 |
| 5 | Dr John M Denison Secondary School Newmarket · Secondary · Grades 9-12 | Public | 1,000 | 44.3 Lower 50% | 84% OSSLT pass rate | 1,000 |
| 6 | Bogart Public School Newmarket · Elementary · Grades JK-8 | Public | 695 | 79.4 Top 10% | 89.7% EQAO Grade 6 | 695 |
| 7 | Stonehaven Elementary School Newmarket · Elementary · Grades JK-8 | Public | 615 | 62.8 Top 50% | 75.3% EQAO Grade 6 | 615 |
| 8 | Poplar Bank Public School Newmarket · Elementary · Grades JK-8 | Public | 605 | 65.5 Top 50% | 84% EQAO Grade 6 | 605 |
| 9 | Clearmeadow Public School Newmarket · Elementary · Grades JK-8 | Public | 560 | 48.9 Lower 50% | 75.3% EQAO Grade 6 | 560 |
| 10 | Mazo De La Roche Public School Newmarket · Elementary · Grades 1-8 | Public | 550 | 69.3 Top 25% | 89.7% EQAO Grade 6 | 550 |
| 11 | Alexander Muir Public School Newmarket · Elementary · Grades JK-8 | Public | 540 | 64.2 Top 50% | 85.7% EQAO Grade 6 | 540 |
| 12 | Canadian Martyrs Catholic Elementary School Newmarket · Elementary · Grades JK-8 | Catholic | 530 | 59.9 Top 50% | 80.7% EQAO Grade 6 | 530 |
| 13 | St Elizabeth Seton Catholic Elementary School Newmarket · Elementary · Grades JK-8 | Catholic | 500 | 35.9 Lower 50% | 76.7% EQAO Grade 6 | 500 |
| 14 | Crossland Public School Newmarket · Elementary · Grades JK-8 | Public | 470 | 75.1 Top 25% | 84% EQAO Grade 6 | 470 |
| 15 | Rogers Public School Newmarket · Elementary · Grades JK-8 | Public | 420 | 80.8 Top 10% | 91.3% EQAO Grade 6 | 420 |
| 16 | Meadowbrook Public School Newmarket · Elementary · Grades JK-8 | Public | 415 | 47.5 Lower 50% | 71.7% EQAO Grade 6 | 415 |
| 17 | Terry Fox Public School Newmarket · Elementary · Grades JK-8 | Public | 410 | 69.1 Top 25% | 73.3% EQAO Grade 6 | 410 |
| 18 | Notre Dame Catholic Elementary School Newmarket · Elementary · Grades JK-8 | Catholic | 410 | 28.3 Lower 50% | 68.7% EQAO Grade 6 | 410 |
| 19 | Maple Leaf Public School Newmarket · Elementary · Grades JK-8 | Public | 405 | 42.6 Lower 50% | 80% EQAO Grade 6 | 405 |
| 20 | St Nicholas Catholic Elementary School Newmarket · Elementary · Grades JK-8 | Catholic | 400 | 69.8 Top 25% | 88% EQAO Grade 6 | 400 |
| 21 | Prince Charles Public School Newmarket · Elementary · Grades JK-8 | Public | 355 | 32.0 Lower 50% | 63.7% EQAO Grade 6 | 355 |
| 22 | Denne Public School Newmarket · Elementary · Grades JK-8 | Public | 350 | 48.6 Lower 50% | 70.3% EQAO Grade 6 | 350 |
| 23 | Armitage Village Public School Newmarket · Elementary · Grades JK-8 | Public | 345 | 65.2 Top 50% | 80% EQAO Grade 6 | 345 |
| 24 | St John Chrysostom Catholic Elementary School Newmarket · Elementary · Grades JK-8 | Catholic | 210 | 48.0 Lower 50% | 61.7% EQAO Grade 6 | 210 |
| 25 | Stuart Scott Public School Newmarket · Elementary · Grades JK-8 | Public | 200 | 49.4 Lower 50% | 65% EQAO Grade 6 | 200 |
| 26 | Glen Cedar Public School Newmarket · Elementary · Grades JK-8 | Public | 200 | 27.2 Lower 50% | 62.3% EQAO Grade 6 | 200 |
| 27 | St Paul Catholic Elementary School Newmarket · Elementary · Grades JK-8 | Catholic | 150 | 53.4 Top 50% | 86.7% EQAO Grade 6 | 150 |
| 28 | J L R Bell Public School Newmarket · Elementary · Grades JK-5 | Public | 135 | 15.0 Lower 50% | 54% EQAO Grade 3 | 135 |
Newmarket High School in Newmarket leads the 2025 list of largest schools in Newmarket with Enrolment 1,515. Of the 28 schools shown, 21 are public, 7 are catholic.
For the full picture see the wider Ontario largest schools rankings, every school on the Newmarket 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 Newmarket?
Newmarket High School in Newmarket, Ontario ranks first among largest schools in Newmarket with Enrolment 1,515 (Enrolment: 1,515).
How are largest schools in Newmarket 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.