St Mary Catholic School
🇨🇦 Official data · 2025Maidstone, Ontario N0R1K0 · Windsor-Essex CDSB
#931 of 3,871 elementary schools in Ontario
#931 of 3,871 nationally
About St Mary Catholic School
St Mary Catholic School is a catholic elementary located in Maidstone, in the Windsor-Essex CDSB school board or district of Ontario, Canada. It caters for Grades JK-8. In 2025 it enrolled 170 students. Publicly funded Catholic (separate) school boards in Ontario; free to attend.
Its Success Index (Canada) is 67.8 out of 100, placing it in the top 25% of elementary schools in Canada and 931st of 3,871 ranked elementary schools in Ontario. Its strongest component is eqao grade 6 (reading, writing, maths) (95th percentile), and its weakest is parent education (fewer parents without a credential) (36th percentile).
Other published figures: enrolment 170; first language not english 5%; special education 5%; identified as gifted 0%.
There are 2 schools in Maidstone; St Mary Catholic School ranks 1st of 1 scored schools there.
Success Index (Canada) breakdown
Each component is a percentile against elementary schools across Canada.
- EQAO Grade 3 (reading, writing, maths) (20%)62.7%
- EQAO Grade 6 (reading, writing, maths) (25%)92.3%
- 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%)0%
- 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 Catholic School by the official sources.
- Enrolment
- 170
- Students enrolled in the latest published year.
- EQAO Grade 3
- 62.7%
- Average % at or above the provincial standard in reading, writing and mathematics.
- EQAO Grade 6
- 92.3%
- Average % at or above the provincial standard in reading, writing and mathematics.
- Low-income households
- 0%
- % 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
- 5%
- % 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 Catholic School
Closest schools by straight-line distance, with their Success Index (Canada).
Essex District High School
Essex · Public secondary · Grades 9-12
695 students · 5.7 km away
Essex Public School
Essex · Public elementary · Grades JK-8
570 students · 7.0 km away
Holy Name Catholic School
Essex · Catholic elementary · Grades JK-8
390 students · 7.2 km away
Tecumseh Vista Academy- Secondary
Tecumseh · Public secondary · Grades 9-12
740 students · 7.7 km away
Tecumseh Vista Academy - Elementary
Tecumseh · Public elementary · Grades JK-8
440 students · 7.9 km away
St Peter Catholic School
Tecumseh · Catholic elementary · Grades JK-8
255 students · 8.0 km away
Colchester North Public School
Essex · Public elementary · Grades JK-8
280 students · 8.2 km away
Talbot Trail Public School
Windsor · Public elementary · Grades JK-8
880 students · 8.6 km away
École élémentaire catholique Sainte-Ursule
Mcgregor · Catholic elementary · Grades JK-8
200 students · 9.9 km away
École secondaire catholique E.J.Lajeunesse
Windsor · Catholic secondary · Grades 9-12
460 students · 10 km away
Similar schools
Catholic elementary schools in Ontario with a comparable Enrolment.
École élémentaire catholique Saint-Isidore
St-Isidore · Catholic elementary · Grades JK-6
170 students
École élémentaire catholique de l'Ange-Gardien
North Lancaster · Catholic elementary · Grades JK-6
170 students
École élémentaire catholique Sainte-Thérèse-d'Avila
Marionville · Catholic elementary · Grades JK-8
170 students
St. Luke Catholic Elementary School
Oakville · Catholic elementary · Grades JK-8
170 students
Assumption Catholic Elementary School
St Catharines · Catholic elementary · Grades JK-8
170 students
Sacred Heart Catholic School
Kirkland Lake · Catholic elementary · Grades 4-8
170 students
Frequently asked questions
Is St Mary Catholic School a good school?
St Mary Catholic School has a Success Index (Canada) of 67.8 out of 100 (Top 25% of elementary schools in Canada) and ranks #931 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 Catholic School rank in Ontario?
St Mary Catholic School ranks #931 of 3,871 elementary schools in Ontario and #931 of 3,871 nationally on the Success Index (Canada) (2025 data).
How many students attend St Mary Catholic School?
St Mary Catholic School had 170 students in 2025.
Is St Mary Catholic School a elementary school or a secondary school?
St Mary Catholic School is classified as a elementary covering Grades JK-8. It is a catholic school.
What other schools are near St Mary Catholic School?
There are 10 schools within 15 km of St Mary Catholic School; they are listed on this page with their Success Index (Canada) and distance, and can be compared side by side.