St Thomas More School
🇨🇦 Official data · 2025Mississauga, Ontario L4Y2Y7 · Dufferin-Peel CDSB
#1003 of 3,871 elementary schools in Ontario
#1003 of 3,871 nationally
About St Thomas More School
St Thomas More School is a catholic elementary located in Mississauga, in the Dufferin-Peel CDSB school board or district of Ontario, Canada. It caters for Grades JK-8. In 2025 it enrolled 570 students. Publicly funded Catholic (separate) school boards in Ontario; free to attend.
Its Success Index (Canada) is 66.3 out of 100, placing it in the top 50% of elementary schools in Canada and 1003rd of 3,871 ranked elementary schools in Ontario. Its strongest component is eqao grade 6 (reading, writing, maths) (91th percentile), and its weakest is parent education (fewer parents without a credential) (23th percentile).
Other published figures: enrolment 570; first language not english 39%; special education 14%; identified as gifted 2%.
There are 320 schools in Mississauga; St Thomas More School ranks 60th of 206 scored schools there.
Success Index (Canada) breakdown
Each component is a percentile against elementary schools across Canada.
- EQAO Grade 3 (reading, writing, maths) (20%)73.3%
- EQAO Grade 6 (reading, writing, maths) (25%)89.3%
- 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%)9%
- Parent education (fewer parents without a credential) (10%)7%
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 More School by the official sources.
- Enrolment
- 570
- Students enrolled in the latest published year.
- EQAO Grade 3
- 73.3%
- Average % at or above the provincial standard in reading, writing and mathematics.
- EQAO Grade 6
- 89.3%
- Average % at or above the provincial standard in reading, writing and mathematics.
- Low-income households
- 9%
- % of students living in low-income households.
- Parents without a credential
- 7%
- % of students whose parents have no degree, diploma or certificate.
- First language not English
- 39%
- % of students whose first language is not English.
- Special education
- 14%
- % of students receiving special education services.
- Identified as gifted
- 2%
- % of students identified as gifted.
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Schools near St Thomas More School
Closest schools by straight-line distance, with their Success Index (Canada).
Tomken Road Senior Public School
Mississauga · Public elementary · Grades 6-8
905 students · 291 m away
Applewood Heights Secondary School
Mississauga · Public secondary · Grades 9-12
1,140 students · 362 m away
Dixie Public School
Mississauga · Public elementary · Grades JK-6
310 students · 503 m away
St. Teresa of Calcutta Catholic Elementary School
Mississauga · Catholic elementary · Grades JK-8
290 students · 846 m away
Silverthorn Public School
Mississauga · Public elementary · Grades JK-6
265 students · 888 m away
Burnhamthorpe Public School
Mississauga · Public elementary · Grades JK-6
480 students · 1.3 km away
Briarwood Public School
Mississauga · Public elementary · Grades JK-6
590 students · 1.5 km away
Silver Creek Public School
Mississauga · Public elementary · Grades JK-6
350 students · 1.5 km away
Metropolitan Andrei Catholic School
Mississauga · Catholic elementary · Grades JK-8
490 students · 1.7 km away
St Alfred School
Mississauga · Catholic elementary · Grades JK-8
400 students · 1.8 km away
Similar schools
Catholic elementary schools in Ontario with a comparable Enrolment.
Notre Dame Catholic School
Owen Sound · Catholic elementary · Grades 1-8
570 students
Our Lady of Lourdes Separate School
Delaware · Catholic elementary · Grades JK-8
570 students
St Mary of the Angels Catholic Elementary School
Woodbridge · Catholic elementary · Grades JK-8
570 students
École intermédiaire catholique Pierre-Savard
Ottawa · Catholic elementary · Grades 7-8
575 students
St Wilfrid Catholic School
Pickering · Catholic elementary · Grades JK-8
565 students
Sacred Heart of Jesus Catholic Elementary School
Burlington · Catholic elementary · Grades JK-8
575 students
Frequently asked questions
Is St Thomas More School a good school?
St Thomas More School has a Success Index (Canada) of 66.3 out of 100 (Top 50% of elementary schools in Canada) and ranks #1003 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 More School rank in Ontario?
St Thomas More School ranks #1003 of 3,871 elementary schools in Ontario and #1003 of 3,871 nationally on the Success Index (Canada) (2025 data).
How many students attend St Thomas More School?
St Thomas More School had 570 students in 2025.
Is St Thomas More School a elementary school or a secondary school?
St Thomas More School is classified as a elementary covering Grades JK-8. It is a catholic school.
What other schools are near St Thomas More School?
There are 10 schools within 15 km of St Thomas More School; they are listed on this page with their Success Index (Canada) and distance, and can be compared side by side.