St Theresa's Separate School
🇨🇦 Official data · 2025Midland, Ontario L4R5B2 · Simcoe Muskoka CDSB
#576 of 766 secondary schools in Ontario
#576 of 766 nationally
About St Theresa's Separate School
St Theresa's Separate School is a catholic secondary located in Midland, in the Simcoe Muskoka CDSB school board or district of Ontario, Canada. It caters for Grades 9-12. In 2025 it enrolled 730 students. Publicly funded Catholic (separate) school boards in Ontario; free to attend.
Its Success Index (Canada) is 31.6 out of 100, placing it in the lower 50% of secondary schools in Canada and 576th of 766 ranked secondary schools in Ontario. Its strongest component is parent education (fewer parents without a credential) (71th percentile), and its weakest is osslt first-attempt pass rate (20th percentile).
Other published figures: enrolment 730; first language not english 2%; special education 32%; identified as gifted 1%.
There are 7 schools in Midland; St Theresa's Separate School ranks 4th 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%)42%
- OSSLT first-attempt pass rate (20%)76%
- FSA literacy score (25%)–
- FSA numeracy score (25%)–
- Community advantage (fewer low-income households) (10%)10%
- Parent education (fewer parents without a credential) (10%)2%
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 Theresa's Separate School by the official sources.
- Enrolment
- 730
- Students enrolled in the latest published year.
- EQAO Grade 9 maths
- 42%
- % at or above the provincial standard in Grade 9 mathematics.
- OSSLT pass rate
- 76%
- % passing the Grade 10 literacy test on the first attempt.
- Low-income households
- 10%
- % of students living in low-income households.
- Parents without a credential
- 2%
- % of students whose parents have no degree, diploma or certificate.
- First language not English
- 2%
- % of students whose first language is not English.
- Special education
- 32%
- % of students receiving special education services.
- Identified as gifted
- 1%
- % of students identified as gifted.
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Schools near St Theresa's Separate School
Closest schools by straight-line distance, with their Success Index (Canada).
Huron Park Public School
Midland · Public elementary · Grades JK-8
435 students · 624 m away
Sacred Heart School
Midland · Catholic elementary · Grades JK-8
160 students · 1.5 km away
Mundy's Bay Elementary Public School
Midland · Public elementary · Grades JK-8
440 students · 1.8 km away
Georgian Bay District Secondary School
Midland · Public secondary · Grades 9-12
1,110 students · 2.4 km away
Bayview Public School
Midland · Public elementary · Grades JK-8
340 students · 2.8 km away
Monsignor Castex Separate School
Midland · Catholic elementary · Grades JK-8
225 students · 3.4 km away
St Ann's Separate School
Penetanguishene · Catholic elementary · Grades JK-8
145 students · 5.4 km away
James Keating Public School
Penetanguishene · Public elementary · Grades JK-8
355 students · 5.8 km away
École élémentaire Saint-Joseph
Penetanguishene · Public elementary · Grades JK-6
240 students · 5.9 km away
Canadian Martyrs Catholic School
Penetanguishene · Catholic elementary · Grades JK-8
215 students · 5.9 km away
Similar schools
Catholic secondary schools in Ontario with a comparable Enrolment.
Bishop Macdonell Catholic Secondary School
Guelph · Catholic secondary · Grades 9-12
735 students
Patrick Fogarty Catholic Secondary School
Orillia · Catholic secondary · Grades 9-12
720 students
St Joseph's Secondary School
Cornwall · Catholic secondary · Grades 9-12
745 students
St Matthew High School
Orleans · Catholic secondary · Grades 9-12
715 students
Archbishop Denis O'Connor Catholic High School
Ajax · Catholic secondary · Grades 9-12
710 students
St Michael Catholic Secondary School
Stratford · Catholic secondary · Grades 9-12
750 students
Frequently asked questions
Is St Theresa's Separate School a good school?
St Theresa's Separate School has a Success Index (Canada) of 31.6 out of 100 (Lower 50% of secondary schools in Canada) and ranks #576 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 Theresa's Separate School rank in Ontario?
St Theresa's Separate School ranks #576 of 766 secondary schools in Ontario and #576 of 766 nationally on the Success Index (Canada) (2025 data).
How many students attend St Theresa's Separate School?
St Theresa's Separate School had 730 students in 2025.
Is St Theresa's Separate School a elementary school or a secondary school?
St Theresa's Separate School is classified as a secondary covering Grades 9-12. It is a catholic school.
What other schools are near St Theresa's Separate School?
There are 10 schools within 15 km of St Theresa's Separate School; they are listed on this page with their Success Index (Canada) and distance, and can be compared side by side.