St Mary School
🇨🇦 Official data · 2025London, Ontario N5W3R3 · London District Catholic School Board
#812 of 3,871 elementary schools in Ontario
#812 of 3,871 nationally
About St Mary School
St Mary School is a catholic elementary located in London, in the London District Catholic School Board school board or district of Ontario, Canada. It caters for Grades 5-8. In 2025 it enrolled 230 students. Publicly funded Catholic (separate) school boards in Ontario; free to attend.
Its Success Index (Canada) is 69.9 out of 100, placing it in the top 25% of elementary schools in Canada and 812th of 3,871 ranked elementary schools in Ontario. Its strongest component is eqao grade 6 (reading, writing, maths) (96th percentile), and its weakest is parent education (fewer parents without a credential) (36th percentile).
Other published figures: enrolment 230; first language not english 10%; special education 5%; identified as gifted 0%.
There are 150 schools in London; St Mary School ranks 21st of 120 scored schools there.
Success Index (Canada) breakdown
Each component is a percentile against elementary schools across Canada.
- EQAO Grade 3 (reading, writing, maths) (20%)–
- EQAO Grade 6 (reading, writing, maths) (25%)93%
- 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%)10%
- 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 Mary School by the official sources.
- Enrolment
- 230
- Students enrolled in the latest published year.
- EQAO Grade 6
- 93%
- Average % at or above the provincial standard in reading, writing and mathematics.
- Low-income households
- 10%
- % 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
- 5%
- % of students receiving special education services.
- Identified as gifted
- 0%
- % of students identified as gifted.
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Schools near St Mary School
Closest schools by straight-line distance, with their Success Index (Canada).
H B Beal Secondary School
London · Public secondary · Grades 9-12
1,525 students · 519 m away
Aberdeen Public School
London · Public elementary · Grades JK-8
295 students · 742 m away
Catholic Central High School
London · Catholic secondary · Grades 9-12
1,310 students · 906 m away
Woodfield French Immersion Public School
London · Public elementary · Grades JK-8
270 students · 1.0 km away
St. John French Immersion School
London · Catholic elementary · Grades JK-8
540 students · 1.2 km away
London Central Secondary School
London · Public secondary · Grades 9-12
955 students · 1.3 km away
B Davison Secondary School Secondary School
London · Public secondary · Grades 9-12
· 1.3 km away
Lester B Pearson School for the Arts
London · Public elementary · Grades 4-8
280 students · 1.4 km away
Trafalgar Public School
London · Public elementary · Grades JK-8
175 students · 1.5 km away
East Carling Public School
London · Public elementary · Grades JK-8
570 students · 1.7 km away
Similar schools
Catholic elementary schools in Ontario with a comparable Enrolment.
Archbishop O'Sullivan Catholic School
Kingston · Catholic elementary · Grades JK-8
230 students
Holy Trinity Catholic Elementary School
South Glengarry · Catholic elementary · Grades 7-8
230 students
Notre Dame Catholic Separate School
Carleton Place · Catholic elementary · Grades 7-8
230 students
St. John Paul II Catholic School
Hammond · Catholic elementary · Grades JK-6
230 students
ÉÉC Notre-Dame-de-Grâce
Etobicoke · Catholic elementary · Grades JK-8
230 students
École élémentaire catholique Saint-Joseph
Sturgeon Falls · Catholic elementary · Grades JK-8
230 students
Frequently asked questions
Is St Mary School a good school?
St Mary School has a Success Index (Canada) of 69.9 out of 100 (Top 25% of elementary schools in Canada) and ranks #812 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 Mary School rank in Ontario?
St Mary School ranks #812 of 3,871 elementary schools in Ontario and #812 of 3,871 nationally on the Success Index (Canada) (2025 data).
How many students attend St Mary School?
St Mary School had 230 students in 2025.
Is St Mary School a elementary school or a secondary school?
St Mary School is classified as a elementary covering Grades 5-8. It is a catholic school.
What other schools are near St Mary School?
There are 10 schools within 15 km of St Mary School; they are listed on this page with their Success Index (Canada) and distance, and can be compared side by side.