St Thomas Aquinas Catholic School
🇨🇦 Official data · 2025Oshawa, Ontario L1J1V9 · Durham CDSB
#3030 of 3,871 elementary schools in Ontario
#3030 of 3,871 nationally
About St Thomas Aquinas Catholic School
St Thomas Aquinas Catholic School is a catholic elementary located in Oshawa, in the Durham CDSB school board or district of Ontario, Canada. It caters for Grades JK-8. In 2025 it enrolled 430 students. Publicly funded Catholic (separate) school boards in Ontario; free to attend.
Its Success Index (Canada) is 30.1 out of 100, placing it in the lower 50% of elementary schools in Canada and 3030th of 3,871 ranked elementary schools in Ontario. Its strongest component is eqao grade 6 (reading, writing, maths) (41th percentile), and its weakest is community advantage (fewer low-income households) (16th percentile).
Other published figures: enrolment 430; first language not english 10%; special education 15%; identified as gifted 0%.
There are 72 schools in Oshawa; St Thomas Aquinas Catholic School ranks 32nd of 54 scored schools there.
Success Index (Canada) breakdown
Each component is a percentile against elementary schools across Canada.
- EQAO Grade 3 (reading, writing, maths) (20%)55%
- EQAO Grade 6 (reading, writing, maths) (25%)72%
- 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%)15%
- Parent education (fewer parents without a credential) (10%)5%
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 School by the official sources.
- Enrolment
- 430
- Students enrolled in the latest published year.
- EQAO Grade 3
- 55%
- Average % at or above the provincial standard in reading, writing and mathematics.
- EQAO Grade 6
- 72%
- Average % at or above the provincial standard in reading, writing and mathematics.
- Low-income households
- 15%
- % of students living in low-income households.
- Parents without a credential
- 5%
- % of students whose parents have no degree, diploma or certificate.
- First language not English
- 10%
- % of students whose first language is not English.
- Special education
- 15%
- % 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 School
Closest schools by straight-line distance, with their Success Index (Canada).
ÉÉC Corpus-Christi
Oshawa · Catholic elementary · Grades JK-6
305 students · 207 m away
College Hill Public School
Oshawa · Public elementary · Grades JK-8
295 students · 414 m away
Durham Alternative Secondary School
Oshawa · Public alternative · Grades 9-12
485 students · 1.1 km away
Village Union Public School
Oshawa · Public elementary · Grades JK-8
625 students · 1.1 km away
Waverly Public School
Oshawa · Public elementary · Grades JK-8
440 students · 1.4 km away
Glen Street Public School
Oshawa · Public elementary · Grades JK-8
375 students · 1.8 km away
Mary Street Community School
Oshawa · Public elementary · Grades JK-8
220 students · 2.0 km away
Woodcrest Public School
Oshawa · Public elementary · Grades JK-8
375 students · 2.3 km away
Monsignor John Pereyma Catholic Secondary School
Oshawa · Catholic secondary · Grades 9-12
435 students · 2.3 km away
Monsignor John Pereyma Elementary Catholic School
Oshawa · Catholic elementary · Grades 7-8
215 students · 2.3 km away
Similar schools
Catholic elementary schools in Ontario with a comparable Enrolment.
St Francis de Sales Separate School
Smiths Falls · Catholic elementary · Grades JK-6
430 students
École élémentaire catholique Alain-Fortin
Orléans · Catholic elementary · Grades JK-6
430 students
École élémentaire catholique Laurier-Carrière
Nepean · Catholic elementary · Grades JK-6
430 students
École élémentaire catholique d'enseignement personnalisé Édouard-Bond
Ottawa · Catholic elementary · Grades JK-6
430 students
St Catherine of Siena School
Mississauga · Catholic elementary · Grades JK-8
430 students
St John Fisher Separate School
Brampton · Catholic elementary · Grades JK-8
430 students
Frequently asked questions
Is St Thomas Aquinas Catholic School a good school?
St Thomas Aquinas Catholic School has a Success Index (Canada) of 30.1 out of 100 (Lower 50% of elementary schools in Canada) and ranks #3030 of 3,871 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 School rank in Ontario?
St Thomas Aquinas Catholic School ranks #3030 of 3,871 elementary schools in Ontario and #3030 of 3,871 nationally on the Success Index (Canada) (2025 data).
How many students attend St Thomas Aquinas Catholic School?
St Thomas Aquinas Catholic School had 430 students in 2025.
Is St Thomas Aquinas Catholic School a elementary school or a secondary school?
St Thomas Aquinas Catholic School is classified as a elementary covering Grades JK-8. It is a catholic school.
What other schools are near St Thomas Aquinas Catholic School?
There are 10 schools within 15 km of St Thomas Aquinas Catholic School; they are listed on this page with their Success Index (Canada) and distance, and can be compared side by side.