Best secondary schools in Windsor-Essex CDSB (2025)
Secondary (high) schools and combined schools. Ranked by the Success Index (Canada) from official Canadian data; 8 schools in Windsor-Essex CDSB, Ontario. Rank positions shown on each profile are within Canada and Ontario.
- 188St Thomas of Villanova Secondary SchoolLasalle · Catholic Secondary97% OSSLT pass rate · 1,290 students
- 285St Anne Secondary SchoolBelle River · Catholic Secondary97% OSSLT pass rate · 1,335 students
- 360Holy Names Catholic High SchoolWindsor · Catholic Secondary97% OSSLT pass rate · 1,165 students
- 459Cardinal Carter Catholic Secondary SchoolLeamington · Catholic Secondary100% OSSLT pass rate · 630 students
- 554St Joseph's High SchoolWindsor · Catholic Secondary95% OSSLT pass rate · 1,325 students
- 647Assumption College SchoolWindsor · Catholic Secondary89% OSSLT pass rate · 905 students
- 732Catholic CentralWindsor · Catholic Secondary98% OSSLT pass rate · 845 students
- 822F J Brennan Catholic High SchoolWindsor · Catholic Secondary79% OSSLT pass rate · 625 students
| # | School | Sector | Success Index (Canada) | Key result | Students |
|---|---|---|---|---|---|
| 1 | St Thomas of Villanova Secondary School Lasalle · Secondary · Grades 9-12 | Catholic | 88.0 Top 5% | 97% OSSLT pass rate | 1,290 |
| 2 | St Anne Secondary School Belle River · Secondary · Grades 9-12 | Catholic | 84.5 Top 10% | 97% OSSLT pass rate | 1,335 |
| 3 | Holy Names Catholic High School Windsor · Secondary · Grades 9-12 | Catholic | 60.2 Top 50% | 97% OSSLT pass rate | 1,165 |
| 4 | Cardinal Carter Catholic Secondary School Leamington · Secondary · Grades 9-12 | Catholic | 59.2 Top 50% | 100% OSSLT pass rate | 630 |
| 5 | St Joseph's High School Windsor · Secondary · Grades 9-12 | Catholic | 53.8 Top 50% | 95% OSSLT pass rate | 1,325 |
| 6 | Assumption College School Windsor · Secondary · Grades 9-12 | Catholic | 47.4 Lower 50% | 89% OSSLT pass rate | 905 |
| 7 | Catholic Central Windsor · Secondary · Grades 9-12 | Catholic | 31.5 Lower 50% | 98% OSSLT pass rate | 845 |
| 8 | F J Brennan Catholic High School Windsor · Secondary · Grades 9-12 | Catholic | 21.6 Lower 50% | 79% OSSLT pass rate | 625 |
St Thomas of Villanova Secondary School in Lasalle leads the 2025 list of secondary schools in Windsor-Essex CDSB with a Success Index (Canada) of 88.0. Of the 8 schools shown, 8 are catholic.
For the full picture see the wider Ontario secondary schools rankings, every school on the Windsor-Essex 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 Windsor-Essex CDSB?
St Thomas of Villanova Secondary School in Lasalle, Ontario ranks first among secondary schools in Windsor-Essex CDSB with a Success Index (Canada) of 88.0 out of 100 (Enrolment: 1,290).
How are secondary schools in Windsor-Essex 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.