Holy Trinity School
🇨🇦 Official data · 2025Sudbury, Ontario P3A0C1 · Sudbury CDSB
#3357 of 3,871 elementary schools in Ontario
#3357 of 3,871 nationally
About Holy Trinity School
Holy Trinity School is a catholic elementary located in Sudbury, in the Sudbury CDSB school board or district of Ontario, Canada. It caters for Grades JK-6. In 2025 it enrolled 655 students. Publicly funded Catholic (separate) school boards in Ontario; free to attend.
Its Success Index (Canada) is 22.3 out of 100, placing it in the lower 50% of elementary schools in Canada and 3357th of 3,871 ranked elementary schools in Ontario. Its strongest component is parent education (fewer parents without a credential) (36th percentile), and its weakest is eqao grade 3 (reading, writing, maths) (17th percentile).
Other published figures: enrolment 655; first language not english 11%; special education 14%; identified as gifted 0%.
There are 54 schools in Sudbury; Holy Trinity School ranks 35th of 42 scored schools there.
Success Index (Canada) breakdown
Each component is a percentile against elementary schools across Canada.
- EQAO Grade 3 (reading, writing, maths) (20%)53%
- EQAO Grade 6 (reading, writing, maths) (25%)64%
- 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%)12%
- 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 Holy Trinity School by the official sources.
- Enrolment
- 655
- Students enrolled in the latest published year.
- EQAO Grade 3
- 53%
- Average % at or above the provincial standard in reading, writing and mathematics.
- EQAO Grade 6
- 64%
- Average % at or above the provincial standard in reading, writing and mathematics.
- Low-income households
- 12%
- % 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
- 11%
- % of students whose first language is not English.
- Special education
- 14%
- % of students receiving special education services.
- Identified as gifted
- 0%
- % of students identified as gifted.
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Schools near Holy Trinity School
Closest schools by straight-line distance, with their Success Index (Canada).
St Charles College
Sudbury · Catholic secondary · Grades 9-12
855 students · 193 m away
St. Charles College Elementary
Sudbury · Catholic elementary · Grades 7-8
375 students · 197 m away
Churchill Public School
Sudbury · Public elementary · Grades JK-8
540 students · 639 m away
École publique Jean-Éthier-Blais
Sudbury · Public elementary · Grades JK-6
320 students · 996 m away
École élémentaire Saint-Dominique
Sudbury · Catholic elementary · Grades JK-6
160 students · 1.1 km away
Westmount Avenue Public School
Sudbury · Public elementary · Grades JK-8
50 students · 1.3 km away
Lasalle Elementary School
Sudbury · Public elementary · Grades JK-6
360 students · 1.3 km away
Lasalle Intermediate School
Sudbury · Public elementary · Grades 7-8
285 students · 1.3 km away
Lasalle Secondary School
Sudbury · Public secondary · Grades 9-12
840 students · 1.3 km away
Carrefour Options +
Sudbury · Catholic secondary · Grades 9-12
· 1.6 km away
Similar schools
Catholic elementary schools in Ontario with a comparable Enrolment.
Our Lady of Sorrows Catholic School
Toronto · Catholic elementary · Grades JK-8
655 students
Saint John Paul II Catholic Elementary School
Kitchener · Catholic elementary · Grades JK-8
655 students
St. Andrew Catholic Elementary School
Oakville · Catholic elementary · Grades JK-8
660 students
St. Anne Catholic Elementary School
Burlington · Catholic elementary · Grades JK-8
660 students
St Leonard Elementary School
Manotick · Catholic elementary · Grades JK-6
660 students
Good Shepherd Catholic Elementary School
Courtice · Catholic elementary · Grades JK-8
650 students
Frequently asked questions
Is Holy Trinity School a good school?
Holy Trinity School has a Success Index (Canada) of 22.3 out of 100 (Lower 50% of elementary schools in Canada) and ranks #3357 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 School rank in Ontario?
Holy Trinity School ranks #3357 of 3,871 elementary schools in Ontario and #3357 of 3,871 nationally on the Success Index (Canada) (2025 data).
How many students attend Holy Trinity School?
Holy Trinity School had 655 students in 2025.
Is Holy Trinity School a elementary school or a secondary school?
Holy Trinity School is classified as a elementary covering Grades JK-6. It is a catholic school.
What other schools are near Holy Trinity School?
There are 10 schools within 15 km of Holy Trinity School; they are listed on this page with their Success Index (Canada) and distance, and can be compared side by side.