Holy Trinity Catholic School
🇨🇦 Official data · 2025Sarnia, Ontario N7S0C3 · St Clair CDSB
#2037 of 3,871 elementary schools in Ontario
#2037 of 3,871 nationally
About Holy Trinity Catholic School
Holy Trinity Catholic School is a catholic elementary located in Sarnia, in the St Clair CDSB school board or district of Ontario, Canada. It caters for Grades JK-8. In 2025 it enrolled 350 students. Publicly funded Catholic (separate) school boards in Ontario; free to attend.
Its Success Index (Canada) is 49.2 out of 100, placing it in the lower 50% of elementary schools in Canada and 2037th of 3,871 ranked elementary schools in Ontario. Its strongest component is parent education (fewer parents without a credential) (79th percentile), and its weakest is community advantage (fewer low-income households) (39th percentile).
Other published figures: enrolment 350; first language not english 5%; special education 10%; identified as gifted 0%.
There are 31 schools in Sarnia; Holy Trinity Catholic School ranks 13th of 25 scored schools there.
Success Index (Canada) breakdown
Each component is a percentile against elementary schools across Canada.
- EQAO Grade 3 (reading, writing, maths) (20%)68%
- EQAO Grade 6 (reading, writing, maths) (25%)72.3%
- 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%)10%
- Parent education (fewer parents without a credential) (10%)0%
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 School by the official sources.
- Enrolment
- 350
- Students enrolled in the latest published year.
- EQAO Grade 3
- 68%
- Average % at or above the provincial standard in reading, writing and mathematics.
- EQAO Grade 6
- 72.3%
- 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
- 0%
- % 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
- 10%
- % of students receiving special education services.
- Identified as gifted
- 0%
- % of students identified as gifted.
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Schools near Holy Trinity Catholic School
Closest schools by straight-line distance, with their Success Index (Canada).
Queen Elizabeth II School
Sarnia · Public elementary · Grades JK-8
275 students · 261 m away
Lansdowne Public School
Sarnia · Public elementary · Grades JK-8
325 students · 483 m away
St Matthew Catholic School
Sarnia · Catholic elementary · Grades JK-8
365 students · 841 m away
High Park Public School
Sarnia · Public elementary · Grades JK-8
455 students · 1.4 km away
Hanna Memorial Public School
Sarnia · Public elementary · Grades JK-8
180 students · 1.6 km away
P.E. McGibbon Public School
Sarnia · Public elementary · Grades JK-8
520 students · 1.6 km away
Alexander Mackenzie Secondary School
Sarnia · Public secondary · Grades 9-12
300 students · 2.2 km away
Great Lakes Secondary School
Sarnia · Public secondary · Grades 9-12
1,095 students · 2.4 km away
London Road School
Sarnia · Public elementary · Grades JK-8
180 students · 2.5 km away
Rosedale Public School
Sarnia · Public elementary · Grades JK-8
470 students · 2.6 km away
Similar schools
Catholic elementary schools in Ontario with a comparable Enrolment.
Madonna Della Libera Catholic Elementary School
Brantford · Catholic elementary · Grades JK-8
350 students
St. Mark Catholic School
Prescott · Catholic elementary · Grades JK-8
350 students
École élémentaire catholique Arc-en-ciel
Orléans · Catholic elementary · Grades JK-6
350 students
Canadian Martyrs School
Mississauga · Catholic elementary · Grades JK-8
350 students
St John the Baptist Elementary School
Bolton · Catholic elementary · Grades JK-8
350 students
St Catherine of Siena Catholic School
Ajax · Catholic elementary · Grades JK-8
350 students
Frequently asked questions
Is Holy Trinity Catholic School a good school?
Holy Trinity Catholic School has a Success Index (Canada) of 49.2 out of 100 (Lower 50% of elementary schools in Canada) and ranks #2037 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 Holy Trinity Catholic School rank in Ontario?
Holy Trinity Catholic School ranks #2037 of 3,871 elementary schools in Ontario and #2037 of 3,871 nationally on the Success Index (Canada) (2025 data).
How many students attend Holy Trinity Catholic School?
Holy Trinity Catholic School had 350 students in 2025.
Is Holy Trinity Catholic School a elementary school or a secondary school?
Holy Trinity Catholic School is classified as a elementary covering Grades JK-8. It is a catholic school.
What other schools are near Holy Trinity Catholic School?
There are 10 schools within 15 km of Holy Trinity Catholic School; they are listed on this page with their Success Index (Canada) and distance, and can be compared side by side.