Best secondary schools in Peterborough Victoria Northum Clarington CDSB (2025)
Secondary (high) schools and combined schools. Ranked by the Success Index (Canada) from official Canadian data; 6 schools in Peterborough Victoria Northum Clarington CDSB, Ontario. Rank positions shown on each profile are within Canada and Ontario.
- Elementary Schools in Peterborough Victoria Northum Clarington CDSB
- Catholic Schools in Peterborough Victoria Northum Clarington CDSB
- Elementary Schools by EQAO Results in Peterborough Victoria Northum Clarington CDSB
- Secondary Schools by EQAO Results in Peterborough Victoria Northum Clarington CDSB
- Largest Schools in Peterborough Victoria Northum Clarington CDSB
- 157St. Peter Catholic Secondary SchoolPeterborough · Catholic Secondary83% OSSLT pass rate · 1,035 students
- 251St. Mary Catholic Secondary SchoolCobourg · Catholic Secondary75% OSSLT pass rate · 835 students
- 351Holy Trinity Catholic Secondary SchoolCourtice · Catholic Secondary80% OSSLT pass rate · 760 students
- 450St. Stephen Catholic Secondary SchoolBowmanville · Catholic Secondary80% OSSLT pass rate · 1,300 students
- 536Holy Cross Catholic Secondary SchoolPeterborough · Catholic Secondary71% OSSLT pass rate · 840 students
- 632St. Thomas Aquinas Catholic Secondary SchoolLindsay · Catholic Secondary68% OSSLT pass rate · 260 students
| # | School | Sector | Success Index (Canada) | Key result | Students |
|---|---|---|---|---|---|
| 1 | St. Peter Catholic Secondary School Peterborough · Secondary · Grades 9-12 | Catholic | 56.9 Top 50% | 83% OSSLT pass rate | 1,035 |
| 2 | St. Mary Catholic Secondary School Cobourg · Secondary · Grades 9-12 | Catholic | 50.7 Top 50% | 75% OSSLT pass rate | 835 |
| 3 | Holy Trinity Catholic Secondary School Courtice · Secondary · Grades 9-12 | Catholic | 50.5 Lower 50% | 80% OSSLT pass rate | 760 |
| 4 | St. Stephen Catholic Secondary School Bowmanville · Secondary · Grades 9-12 | Catholic | 50.4 Lower 50% | 80% OSSLT pass rate | 1,300 |
| 5 | Holy Cross Catholic Secondary School Peterborough · Secondary · Grades 9-12 | Catholic | 36.4 Lower 50% | 71% OSSLT pass rate | 840 |
| 6 | St. Thomas Aquinas Catholic Secondary School Lindsay · Secondary · Grades 9-12 | Catholic | 32.1 Lower 50% | 68% OSSLT pass rate | 260 |
St. Peter Catholic Secondary School in Peterborough leads the 2025 list of secondary schools in Peterborough Victoria Northum Clarington CDSB with a Success Index (Canada) of 56.9. Of the 6 schools shown, 6 are catholic.
For the full picture see the wider Ontario secondary schools rankings, every school on the Peterborough Victoria Northum Clarington CDSB 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 Peterborough Victoria Northum Clarington CDSB?
St. Peter Catholic Secondary School in Peterborough, Ontario ranks first among secondary schools in Peterborough Victoria Northum Clarington CDSB with a Success Index (Canada) of 56.9 out of 100 (Enrolment: 1,035).
How are secondary schools in Peterborough Victoria Northum Clarington CDSB 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.