Best secondary schools in Markham (2025)
Secondary (high) schools and combined schools. Ranked by the Success Index (Canada) from official Canadian data; 9 schools in Markham, Ontario. Rank positions shown on each profile are within Canada and Ontario.
- 182Bill Hogarth Secondary SchoolMarkham · Public Secondary97% OSSLT pass rate · 2,055 students
- 282St Augustine Catholic High SchoolMarkham · Catholic Secondary96% OSSLT pass rate · 1,575 students
- 381Bur Oak Secondary SchoolMarkham · Public Secondary96% OSSLT pass rate · 1,865 students
- 480Pierre Elliott Trudeau High SchoolMarkham · Public Secondary97% OSSLT pass rate · 1,865 students
- 579Markville Secondary SchoolMarkham · Public Secondary96% OSSLT pass rate · 1,575 students
- 677Markham District High SchoolMarkham · Public Secondary92% OSSLT pass rate · 1,415 students
- 776St Brother André Catholic High SchoolMarkham · Catholic Secondary94% OSSLT pass rate · 1,280 students
- 869Father Michael McGivney Catholic High SchoolMarkham · Catholic Secondary91% OSSLT pass rate · 1,170 students
- 955Middlefield Collegiate InstituteMarkham · Public Secondary86% OSSLT pass rate · 1,500 students
| # | School | Sector | Success Index (Canada) | Key result | Students |
|---|---|---|---|---|---|
| 1 | Bill Hogarth Secondary School Markham · Secondary · Grades 9-12 | Public | 82.3 Top 10% | 97% OSSLT pass rate | 2,055 |
| 2 | St Augustine Catholic High School Markham · Secondary · Grades 9-12 | Catholic | 81.8 Top 10% | 96% OSSLT pass rate | 1,575 |
| 3 | Bur Oak Secondary School Markham · Secondary · Grades 9-12 | Public | 80.5 Top 10% | 96% OSSLT pass rate | 1,865 |
| 4 | Pierre Elliott Trudeau High School Markham · Secondary · Grades 9-12 | Public | 79.5 Top 25% | 97% OSSLT pass rate | 1,865 |
| 5 | Markville Secondary School Markham · Secondary · Grades 9-12 | Public | 78.8 Top 25% | 96% OSSLT pass rate | 1,575 |
| 6 | Markham District High School Markham · Secondary · Grades 9-12 | Public | 77.2 Top 25% | 92% OSSLT pass rate | 1,415 |
| 7 | St Brother André Catholic High School Markham · Secondary · Grades 9-12 | Catholic | 76.4 Top 25% | 94% OSSLT pass rate | 1,280 |
| 8 | Father Michael McGivney Catholic High School Markham · Secondary · Grades 9-12 | Catholic | 69.1 Top 25% | 91% OSSLT pass rate | 1,170 |
| 9 | Middlefield Collegiate Institute Markham · Secondary · Grades 9-12 | Public | 55.3 Top 50% | 86% OSSLT pass rate | 1,500 |
Bill Hogarth Secondary School in Markham leads the 2025 list of secondary schools in Markham with a Success Index (Canada) of 82.3. Of the 9 schools shown, 6 are public, 3 are catholic.
For the full picture see the wider Ontario secondary schools rankings, every school on the Markham page, or the comparison tool to put a shortlist side by side.
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Frequently asked questions
What is the best secondary school in Markham?
Bill Hogarth Secondary School in Markham, Ontario ranks first among secondary schools in Markham with a Success Index (Canada) of 82.3 out of 100 (Enrolment: 2,055).
How are secondary schools in Markham ranked?
Each school's Success Index (Canada) combines 8 factors: eqao grade 3 (reading, writing, maths) (20%), eqao grade 6 (reading, writing, maths) (25%), eqao grade 9 mathematics (25%), osslt first-attempt pass rate (20%), fsa literacy score (25%), fsa numeracy score (25%), community advantage (fewer low-income households) (10%), parent education (fewer parents without a credential) (10%). Each factor is a percentile against schools of the same type across Canada. Schools with fewer than 60 students are excluded from rankings.
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.