St. Thomas Aquinas Catholic High School
🇨🇦 Official data · 2025Russell, Ontario K4R1E5 · CDSB of Eastern Ontario
#141 of 766 secondary schools in Ontario
#141 of 766 nationally
About St. Thomas Aquinas Catholic High School
St. Thomas Aquinas Catholic High School is a catholic secondary located in Russell, in the CDSB of Eastern Ontario school board or district of Ontario, Canada. It caters for Grades 9-12. In 2025 it enrolled 515 students. Publicly funded Catholic (separate) school boards in Ontario; free to attend.
Its Success Index (Canada) is 73.0 out of 100, placing it in the top 25% of secondary schools in Canada and 141st of 766 ranked secondary schools in Ontario. Its strongest component is community advantage (fewer low-income households) (97th percentile), and its weakest is osslt first-attempt pass rate (61th percentile).
Other published figures: enrolment 515; first language not english 8%; special education 31%; identified as gifted 0%.
There are 8 schools in Russell; St. Thomas Aquinas Catholic High School ranks 3rd of 7 scored schools there.
Success Index (Canada) breakdown
Each component is a percentile against secondary schools across Canada.
- EQAO Grade 3 (reading, writing, maths) (20%)–
- EQAO Grade 6 (reading, writing, maths) (25%)–
- EQAO Grade 9 mathematics (25%)64%
- OSSLT first-attempt pass rate (20%)88%
- FSA literacy score (25%)–
- FSA numeracy score (25%)–
- Community advantage (fewer low-income households) (10%)2%
- Parent education (fewer parents without a credential) (10%)1%
The Success Index (Canada) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for St. Thomas Aquinas Catholic High School by the official sources.
- Enrolment
- 515
- Students enrolled in the latest published year.
- EQAO Grade 9 maths
- 64%
- % at or above the provincial standard in Grade 9 mathematics.
- OSSLT pass rate
- 88%
- % passing the Grade 10 literacy test on the first attempt.
- Low-income households
- 2%
- % of students living in low-income households.
- Parents without a credential
- 1%
- % of students whose parents have no degree, diploma or certificate.
- First language not English
- 8%
- % of students whose first language is not English.
- Special education
- 31%
- % of students receiving special education services.
- Identified as gifted
- 0%
- % of students identified as gifted.
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Schools near St. Thomas Aquinas Catholic High School
Closest schools by straight-line distance, with their Success Index (Canada).
St. Thomas Aquinas Catholic School
Russell · Catholic elementary · Grades 6-8
225 students · 58 m away
Russell Public Public School
Russell · Public elementary · Grades JK-6
380 students · 996 m away
Russell Intermediate School
Russell · Public elementary · Grades 7-8
200 students · 1.0 km away
St. Mother Teresa Catholic School
Russell · Catholic elementary · Grades JK-6
560 students · 1.5 km away
École élémentaire catholique Saint-Joseph (Russell)
Russell · Catholic elementary · Grades JK-6
335 students · 1.8 km away
Russell High School
Russell · Public secondary · Grades 9-12
360 students · 1.9 km away
École élémentaire publique De la Rivière Castor
Embrun · Public elementary · Grades JK-8
285 students · 5.8 km away
École intermédiaire catholique - Pavillon Embrun
Embrun · Catholic elementary · Grades 7-8
250 students · 6.5 km away
École secondaire catholique Embrun
Embrun · Catholic secondary · Grades 9-12
440 students · 6.5 km away
École élémentaire catholique Embrun - Pav. Saint-Jean/Pav. La Croisée
Embrun · Catholic elementary · Grades JK-6
610 students · 6.9 km away
Similar schools
Catholic secondary schools in Ontario with a comparable Enrolment.
St Michael High School
Kemptville · Catholic secondary · Grades 9-12
520 students
St Joseph's High School
Renfrew · Catholic secondary · Grades 9-12
510 students
Loretto College School
Toronto · Catholic secondary · Grades 9-12
510 students
Notre Dame Catholic High School
Toronto · Catholic secondary · Grades 9-12
510 students
Saint Francis Catholic Secondary School
St Catharines · Catholic secondary · Grades 9-12
505 students
St Mother Teresa Catholic Academy
Toronto · Catholic secondary · Grades 9-12
525 students
Frequently asked questions
Is St. Thomas Aquinas Catholic High School a good school?
St. Thomas Aquinas Catholic High School has a Success Index (Canada) of 73.0 out of 100 (Top 25% of secondary schools in Canada) and ranks #141 of 766 in Ontario. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does St. Thomas Aquinas Catholic High School rank in Ontario?
St. Thomas Aquinas Catholic High School ranks #141 of 766 secondary schools in Ontario and #141 of 766 nationally on the Success Index (Canada) (2025 data).
How many students attend St. Thomas Aquinas Catholic High School?
St. Thomas Aquinas Catholic High School had 515 students in 2025.
Is St. Thomas Aquinas Catholic High School a elementary school or a secondary school?
St. Thomas Aquinas Catholic High School is classified as a secondary covering Grades 9-12. It is a catholic school.
What other schools are near St. Thomas Aquinas Catholic High School?
There are 10 schools within 15 km of St. Thomas Aquinas Catholic High School; they are listed on this page with their Success Index (Canada) and distance, and can be compared side by side.