Schools in Thunder Bay CDSB, Ontario (2025)
21 schools · 6,850 students · 21 catholic · median Enrolment 255.
Thunder Bay CDSB, in Ontario, has 21 schools in Canada's 2025 data, together educating about 6,850 students. By level there are 18 elementary, 2 secondary, 1 alternative; by sector 21 catholic.
The median Enrolment across Thunder Bay CDSB's schools is 255, below the Ontario median of 365. Students enrolled in the latest published year.
20 of the 21 schools qualify for the Success Index (Canada). The highest-scoring is St Paul Catholic Elementary School (84.0, top 10% of elementary schools nationally), followed by St Thomas Aquinas Catholic Elementary School (71.0, top 25% of elementary schools nationally), and Holy Cross Catholic Elementary School (68.1, top 25% of elementary schools nationally). One school sits in the top 10% of Canada for its type. Scores are percentiles within school type, so compare an elementary school with other elementary schools.
The largest schools are St Ignatius High School (1,045 students), St Patrick High School (1,030 students), Pope John Paul II Elementary School (530 students).
Ranked schools in Thunder Bay CDSB
Ordered by Success Index (Canada). Rank positions shown on each profile are within Canada and Ontario.
- 184St Paul Catholic Elementary SchoolThunder Bay · Catholic Elementary89.7% EQAO Grade 6 · 140 students
- 271St Thomas Aquinas Catholic Elementary SchoolThunder Bay · Catholic Elementary84% EQAO Grade 6 · 205 students
- 368Holy Cross Catholic Elementary SchoolThunder Bay · Catholic Elementary73.3% EQAO Grade 6 · 345 students
- 468Holy Family Catholic Elementary SchoolThunder Bay · Catholic Elementary75% EQAO Grade 6 · 355 students
- 550St Elizabeth Catholic Elementary SchoolThunder Bay · Catholic Elementary74% EQAO Grade 6 · 255 students
- 645Corpus Christi Catholic Elementary SchoolThunder Bay · Catholic Elementary82.7% EQAO Grade 6 · 265 students
- 744St Ignatius High SchoolThunder Bay · Catholic Secondary85% OSSLT pass rate · 1,045 students
- 843St Bernard Catholic Elementary SchoolThunder Bay · Catholic Elementary70.7% EQAO Grade 6 · 505 students
- 939St Francis Catholic Elementary SchoolThunder Bay · Catholic Elementary71.3% EQAO Grade 6 · 155 students
- 1038Bishop Gallagher Senior Catholic Elementary SchoolThunder Bay · Catholic Elementary230 Enrolment · 230 students
- 1138Pope John Paul II Elementary SchoolThunder Bay · Catholic Elementary530 Enrolment · 530 students
- 1236St Ann Catholic Elementary SchoolThunder Bay · Catholic Elementary37% EQAO Grade 6 · 205 students
- 1336St Patrick High SchoolThunder Bay · Catholic Secondary76% OSSLT pass rate · 1,030 students
- 1435St Vincent Catholic Elementary SchoolThunder Bay · Catholic Elementary71% EQAO Grade 6 · 140 students
- 1535St Martin Catholic Elementary SchoolThunder Bay · Catholic Elementary69.7% EQAO Grade 6 · 470 students
- 1627St Margaret Catholic Elementary SchoolThunder Bay · Catholic Elementary61% EQAO Grade 6 · 205 students
- 1725St Jude Catholic Elementary SchoolThunder Bay · Catholic Elementary66.7% EQAO Grade 6 · 150 students
- 1823St Pius X Catholic Elementary SchoolThunder Bay · Catholic Elementary68% EQAO Grade 6 · 205 students
- 1921Our Lady of Charity Catholic Elementary SchoolThunder Bay · Catholic Elementary68.3% EQAO Grade 6 · 155 students
- 2016Bishop E. Q. Jennings Senior Elementary SchoolThunder Bay · Catholic Elementary260 Enrolment · 260 students
| # | School | Sector | Success Index (Canada) | Key result | Students |
|---|---|---|---|---|---|
| 1 | St Paul Catholic Elementary School Thunder Bay · Elementary · Grades JK-6 | Catholic | 84.0 Top 10% | 89.7% EQAO Grade 6 | 140 |
| 2 | St Thomas Aquinas Catholic Elementary School Thunder Bay · Elementary · Grades JK-6 | Catholic | 71.0 Top 25% | 84% EQAO Grade 6 | 205 |
| 3 | Holy Cross Catholic Elementary School Thunder Bay · Elementary · Grades JK-6 | Catholic | 68.1 Top 25% | 73.3% EQAO Grade 6 | 345 |
| 4 | Holy Family Catholic Elementary School Thunder Bay · Elementary · Grades JK-6 | Catholic | 67.7 Top 25% | 75% EQAO Grade 6 | 355 |
| 5 | St Elizabeth Catholic Elementary School Thunder Bay · Elementary · Grades JK-6 | Catholic | 50.3 Lower 50% | 74% EQAO Grade 6 | 255 |
| 6 | Corpus Christi Catholic Elementary School Thunder Bay · Elementary · Grades JK-6 | Catholic | 45.3 Lower 50% | 82.7% EQAO Grade 6 | 265 |
| 7 | St Ignatius High School Thunder Bay · Secondary · Grades 9-12 | Catholic | 44.2 Lower 50% | 85% OSSLT pass rate | 1,045 |
| 8 | St Bernard Catholic Elementary School Thunder Bay · Elementary · Grades JK-6 | Catholic | 43.3 Lower 50% | 70.7% EQAO Grade 6 | 505 |
| 9 | St Francis Catholic Elementary School Thunder Bay · Elementary · Grades JK-6 | Catholic | 38.6 Lower 50% | 71.3% EQAO Grade 6 | 155 |
| 10 | Bishop Gallagher Senior Catholic Elementary School Thunder Bay · Elementary · Grades 7-8 | Catholic | 37.5 Lower 50% | 230 Enrolment | 230 |
| 11 | Pope John Paul II Elementary School Thunder Bay · Elementary · Grades 7-8 | Catholic | 37.5 Lower 50% | 530 Enrolment | 530 |
| 12 | St Ann Catholic Elementary School Thunder Bay · Elementary · Grades JK-6 | Catholic | 36.4 Lower 50% | 37% EQAO Grade 6 | 205 |
| 13 | St Patrick High School Thunder Bay · Secondary · Grades 9-12 | Catholic | 36.1 Lower 50% | 76% OSSLT pass rate | 1,030 |
| 14 | St Vincent Catholic Elementary School Thunder Bay · Elementary · Grades JK-6 | Catholic | 35.1 Lower 50% | 71% EQAO Grade 6 | 140 |
| 15 | St Martin Catholic Elementary School Thunder Bay · Elementary · Grades JK-6 | Catholic | 35.0 Lower 50% | 69.7% EQAO Grade 6 | 470 |
| 16 | St Margaret Catholic Elementary School Thunder Bay · Elementary · Grades JK-6 | Catholic | 26.8 Lower 50% | 61% EQAO Grade 6 | 205 |
| 17 | St Jude Catholic Elementary School Thunder Bay · Elementary · Grades JK-6 | Catholic | 25.2 Lower 50% | 66.7% EQAO Grade 6 | 150 |
| 18 | St Pius X Catholic Elementary School Thunder Bay · Elementary · Grades JK-6 | Catholic | 22.9 Lower 50% | 68% EQAO Grade 6 | 205 |
| 19 | Our Lady of Charity Catholic Elementary School Thunder Bay · Elementary · Grades JK-6 | Catholic | 20.5 Lower 50% | 68.3% EQAO Grade 6 | 155 |
| 20 | Bishop E. Q. Jennings Senior Elementary School Thunder Bay · Elementary · Grades 7-8 | Catholic | 15.7 Lower 50% | 260 Enrolment | 260 |
Other schools in Thunder Bay CDSB
Schools without a rank: fewer than 60 students, no published Enrolment, or a school type that is not scored.
Compare the top 4 schools in Thunder Bay CDSB side by side →
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Frequently asked questions
What is the best school in Thunder Bay CDSB?
St Paul Catholic Elementary School is the highest-ranked school in Thunder Bay CDSB with a Success Index (Canada) of 84.0 out of 100 (Top 10% of elementary schools in Canada).
How many schools are in Thunder Bay CDSB?
Thunder Bay CDSB has 21 schools (18 elementary, 2 secondary, 1 alternative) educating 6,850 students in 2025.
What is the typical Enrolment in Thunder Bay CDSB?
The median Enrolment across schools in Thunder Bay CDSB is 255. Students enrolled in the latest published year.