Holy Trinity Catholic High School
🇨🇦 Official data · 2025Simcoe, Ontario N3Y4N5 · Brant Haldimand Norfolk CDSB
#518 of 766 secondary schools in Ontario
#518 of 766 nationally
About Holy Trinity Catholic High School
Holy Trinity Catholic High School is a catholic secondary located in Simcoe, in the Brant Haldimand Norfolk CDSB school board or district of Ontario, Canada. It caters for Grades 9-12. In 2025 it enrolled 980 students. Publicly funded Catholic (separate) school boards in Ontario; free to attend.
Its Success Index (Canada) is 37.0 out of 100, placing it in the lower 50% of secondary schools in Canada and 518th of 766 ranked secondary schools in Ontario. Its strongest component is community advantage (fewer low-income households) (74th percentile), and its weakest is eqao grade 9 mathematics (24th percentile).
Other published figures: enrolment 980; first language not english 4%; special education 19%; identified as gifted 2%.
There are 13 schools in Simcoe; Holy Trinity Catholic High 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%)43%
- OSSLT first-attempt pass rate (20%)83%
- FSA literacy score (25%)–
- FSA numeracy score (25%)–
- Community advantage (fewer low-income households) (10%)6%
- Parent education (fewer parents without a credential) (10%)6%
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 Holy Trinity Catholic High School by the official sources.
- Enrolment
- 980
- Students enrolled in the latest published year.
- EQAO Grade 9 maths
- 43%
- % at or above the provincial standard in Grade 9 mathematics.
- OSSLT pass rate
- 83%
- % passing the Grade 10 literacy test on the first attempt.
- Low-income households
- 6%
- % of students living in low-income households.
- Parents without a credential
- 6%
- % of students whose parents have no degree, diploma or certificate.
- First language not English
- 4%
- % of students whose first language is not English.
- Special education
- 19%
- % of students receiving special education services.
- Identified as gifted
- 2%
- % of students identified as gifted.
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Schools near Holy Trinity Catholic High School
Closest schools by straight-line distance, with their Success Index (Canada).
West Lynn Public School
Simcoe · Public elementary · Grades JK-8
545 students · 1.0 km away
Elgin Avenue Public School
Simcoe · Public elementary · Grades JK-8
· 1.4 km away
St. Joseph's School
Simcoe · Catholic elementary · Grades JK-8
605 students · 1.6 km away
ÉÉC Sainte-Marie-Simcoe
Norfolk · Catholic elementary · Grades JK-8
80 students · 1.7 km away
Simcoe Composite School
Simcoe · Public secondary · Grades 9-12
725 students · 2.0 km away
Lynndale Heights Public School
Simcoe · Public elementary · Grades JK-8
460 students · 2.6 km away
Bloomsburg Public School
Waterford · Public elementary · Grades JK-8
260 students · 6.9 km away
St. Cecilia's School
Port Dover · Catholic elementary · Grades JK-8
140 students · 8.0 km away
St. Michael's C School
Simcoe · Catholic elementary · Grades JK-8
95 students · 9.1 km away
Walsh Public School
Simcoe · Public elementary · Grades JK-8
405 students · 9.3 km away
Similar schools
Catholic secondary schools in Ontario with a comparable Enrolment.
St Joan of Arc Catholic High School
Maple · Catholic secondary · Grades 9-12
975 students
Mary Ward Catholic Secondary School
Toronto · Catholic secondary · Grades 9-12
970 students
St Thomas Aquinas Catholic Secondary School
Tottenham · Catholic secondary · Grades 9-12
965 students
St. Michael Catholic Secondary School
Bolton · Catholic secondary · Grades 9-12
960 students
St Joseph's High School
St. Thomas · Catholic secondary · Grades 9-12
960 students
St Patrick Catholic Secondary School
Toronto · Catholic secondary · Grades 9-12
1,000 students
Frequently asked questions
Is Holy Trinity Catholic High School a good school?
Holy Trinity Catholic High School has a Success Index (Canada) of 37.0 out of 100 (Lower 50% of secondary schools in Canada) and ranks #518 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 Holy Trinity Catholic High School rank in Ontario?
Holy Trinity Catholic High School ranks #518 of 766 secondary schools in Ontario and #518 of 766 nationally on the Success Index (Canada) (2025 data).
How many students attend Holy Trinity Catholic High School?
Holy Trinity Catholic High School had 980 students in 2025.
Is Holy Trinity Catholic High School a elementary school or a secondary school?
Holy Trinity Catholic High School is classified as a secondary covering Grades 9-12. It is a catholic school.
What other schools are near Holy Trinity Catholic High School?
There are 10 schools within 15 km of Holy Trinity Catholic High School; they are listed on this page with their Success Index (Canada) and distance, and can be compared side by side.