Best secondary schools in London District Catholic School Board (2025)
Secondary (high) schools and combined schools. Ranked by the Success Index (Canada) from official Canadian data; 9 schools in London District Catholic School Board, Ontario. Rank positions shown on each profile are within Canada and Ontario.
- Elementary Schools in London District Catholic School Board
- Catholic Schools in London District Catholic School Board
- Elementary Schools by EQAO Results in London District Catholic School Board
- Secondary Schools by EQAO Results in London District Catholic School Board
- Largest Schools in London District Catholic School Board
- 176St Thomas Aquinas Secondary SchoolLondon · Catholic Secondary94% OSSLT pass rate · 1,425 students
- 263St. Andre Bessette Secondary SchoolLondon · Catholic Secondary90% OSSLT pass rate · 1,465 students
- 357St Joseph's High SchoolSt. Thomas · Catholic Secondary92% OSSLT pass rate · 960 students
- 456Mother Teresa Catholic Secondary SchoolLondon · Catholic Secondary90% OSSLT pass rate · 1,795 students
- 553Holy Cross Catholic Secondary SchoolStrathroy · Catholic Secondary85% OSSLT pass rate · 425 students
- 646Catholic Central High SchoolLondon · Catholic Secondary89% OSSLT pass rate · 1,310 students
- 742St Mary's High SchoolWoodstock · Catholic Secondary82% OSSLT pass rate · 605 students
- 817John Paul II Catholic Secondary SchoolLondon · Catholic Secondary71% OSSLT pass rate · 940 students
- 916Regina Mundi CollegeLondon · Catholic Secondary74% OSSLT pass rate · 860 students
| # | School | Sector | Success Index (Canada) | Key result | Students |
|---|---|---|---|---|---|
| 1 | St Thomas Aquinas Secondary School London · Secondary · Grades 9-12 | Catholic | 75.5 Top 25% | 94% OSSLT pass rate | 1,425 |
| 2 | St. Andre Bessette Secondary School London · Secondary · Grades 9-12 | Catholic | 63.4 Top 50% | 90% OSSLT pass rate | 1,465 |
| 3 | St Joseph's High School St. Thomas · Secondary · Grades 9-12 | Catholic | 56.6 Top 50% | 92% OSSLT pass rate | 960 |
| 4 | Mother Teresa Catholic Secondary School London · Secondary · Grades 9-12 | Catholic | 55.7 Top 50% | 90% OSSLT pass rate | 1,795 |
| 5 | Holy Cross Catholic Secondary School Strathroy · Secondary · Grades 9-12 | Catholic | 52.7 Top 50% | 85% OSSLT pass rate | 425 |
| 6 | Catholic Central High School London · Secondary · Grades 9-12 | Catholic | 45.9 Lower 50% | 89% OSSLT pass rate | 1,310 |
| 7 | St Mary's High School Woodstock · Secondary · Grades 9-12 | Catholic | 42.1 Lower 50% | 82% OSSLT pass rate | 605 |
| 8 | John Paul II Catholic Secondary School London · Secondary · Grades 9-12 | Catholic | 17.4 Lower 50% | 71% OSSLT pass rate | 940 |
| 9 | Regina Mundi College London · Secondary · Grades 9-12 | Catholic | 16.2 Lower 50% | 74% OSSLT pass rate | 860 |
St Thomas Aquinas Secondary School in London leads the 2025 list of secondary schools in London District Catholic School Board with a Success Index (Canada) of 75.5. Of the 9 schools shown, 9 are catholic.
For the full picture see the wider Ontario secondary schools rankings, every school on the London District Catholic School Board 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 London District Catholic School Board?
St Thomas Aquinas Secondary School in London, Ontario ranks first among secondary schools in London District Catholic School Board with a Success Index (Canada) of 75.5 out of 100 (Enrolment: 1,425).
How are secondary schools in London District Catholic School Board 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.