Best secondary schools in Belleville (2025)
Secondary (high) schools and combined schools. Ranked by the Success Index (Canada) from official Canadian data; 5 schools in Belleville, Ontario. Rank positions shown on each profile are within Canada and Ontario.
- 153Nicholson Catholic CollegeBelleville · Catholic Secondary87% OSSLT pass rate · 490 students
- 250Bayside Secondary SchoolBelleville · Public Secondary86% OSSLT pass rate · 925 students
- 347St Theresa Catholic Secondary SchoolBelleville · Catholic Secondary84% OSSLT pass rate · 775 students
- 436Centennial Secondary SchoolBelleville · Public Secondary81% OSSLT pass rate · 930 students
- 535Eastside Secondary SchoolBelleville · Public Secondary69% OSSLT pass rate · 985 students
| # | School | Sector | Success Index (Canada) | Key result | Students |
|---|---|---|---|---|---|
| 1 | Nicholson Catholic College Belleville · Secondary · Grades 9-12 | Catholic | 52.8 Top 50% | 87% OSSLT pass rate | 490 |
| 2 | Bayside Secondary School Belleville · Secondary · Grades 9-12 | Public | 49.7 Lower 50% | 86% OSSLT pass rate | 925 |
| 3 | St Theresa Catholic Secondary School Belleville · Secondary · Grades 9-12 | Catholic | 46.7 Lower 50% | 84% OSSLT pass rate | 775 |
| 4 | Centennial Secondary School Belleville · Secondary · Grades 9-12 | Public | 36.3 Lower 50% | 81% OSSLT pass rate | 930 |
| 5 | Eastside Secondary School Belleville · Secondary · Grades 9-12 | Public | 34.9 Lower 50% | 69% OSSLT pass rate | 985 |
Nicholson Catholic College in Belleville leads the 2025 list of secondary schools in Belleville with a Success Index (Canada) of 52.8. Of the 5 schools shown, 3 are public, 2 are catholic.
For the full picture see the wider Ontario secondary schools rankings, every school on the Belleville 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 Belleville?
Nicholson Catholic College in Belleville, Ontario ranks first among secondary schools in Belleville with a Success Index (Canada) of 52.8 out of 100 (Enrolment: 490).
How are secondary schools in Belleville 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.