St Sebastian Catholic Elementary School
🇨🇦 Official data · 2025Mississauga, Ontario L5M7L2 · Dufferin-Peel CDSB
#2085 of 3,871 elementary schools in Ontario
#2085 of 3,871 nationally
About St Sebastian Catholic Elementary School
St Sebastian Catholic Elementary School is a catholic elementary located in Mississauga, in the Dufferin-Peel CDSB school board or district of Ontario, Canada. It caters for Grades JK-8. In 2025 it enrolled 355 students. Publicly funded Catholic (separate) school boards in Ontario; free to attend.
Its Success Index (Canada) is 48.6 out of 100, placing it in the lower 50% of elementary schools in Canada and 2085th 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 eqao grade 3 (reading, writing, maths) (28th percentile).
Other published figures: enrolment 355; first language not english 30%; special education 10%; identified as gifted 0%.
There are 320 schools in Mississauga; St Sebastian Catholic Elementary School ranks 123rd of 206 scored schools there.
Success Index (Canada) breakdown
Each component is a percentile against elementary schools across Canada.
- EQAO Grade 3 (reading, writing, maths) (20%)59.3%
- EQAO Grade 6 (reading, writing, maths) (25%)72.7%
- 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%)5%
- 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 St Sebastian Catholic Elementary School by the official sources.
- Enrolment
- 355
- Students enrolled in the latest published year.
- EQAO Grade 3
- 59.3%
- Average % at or above the provincial standard in reading, writing and mathematics.
- EQAO Grade 6
- 72.7%
- Average % at or above the provincial standard in reading, writing and mathematics.
- Low-income households
- 5%
- % 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
- 30%
- % 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 St Sebastian Catholic Elementary School
Closest schools by straight-line distance, with their Success Index (Canada).
Artesian Drive Public School
Mississauga · Public elementary · Grades JK-6
475 students · 364 m away
Oscar Peterson Public School
Mississauga · Public elementary · Grades JK-6
600 students · 625 m away
Erin Centre Middle School
Mississauga · Public elementary · Grades 6-8
650 students · 807 m away
ÉÉC Mississauga
Mississauga · Catholic elementary · Grades JK-6
· 936 m away
St. Bernard of Clairvaux Catholic Elementary School
Mississauga · Catholic elementary · Grades JK-8
400 students · 1.2 km away
All Saints Catholic School
Mississauga · Catholic elementary · Grades JK-8
370 students · 1.4 km away
McKinnon Public School
Mississauga · Public elementary · Grades JK-5
475 students · 1.4 km away
St. Oscar Romero School
Mississauga · Catholic elementary · Grades JK-8
· 1.5 km away
St Aloysius Gonzaga Secondary School
Mississauga · Catholic secondary · Grades 9-12
1,625 students · 1.8 km away
Loyola Catholic Secondary School
Mississauga · Catholic secondary · Grades 9-12
950 students · 1.8 km away
Similar schools
Catholic elementary schools in Ontario with a comparable Enrolment.
École élémentaire catholique Des Voyageurs
Orléans · Catholic elementary · Grades JK-6
355 students
Divine Mercy School
Mississauga · Catholic elementary · Grades JK-8
355 students
St. Alphonsa Catholic Elementary School
Brampton · Catholic elementary · Grades JK-8
355 students
Notre Dame Separate School
London · Catholic elementary · Grades JK-8
355 students
St Theresa School
Callander · Catholic elementary · Grades JK-8
355 students
St Josephs Separate School
Dryden · Catholic elementary · Grades JK-8
355 students
Frequently asked questions
Is St Sebastian Catholic Elementary School a good school?
St Sebastian Catholic Elementary School has a Success Index (Canada) of 48.6 out of 100 (Lower 50% of elementary schools in Canada) and ranks #2085 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 Sebastian Catholic Elementary School rank in Ontario?
St Sebastian Catholic Elementary School ranks #2085 of 3,871 elementary schools in Ontario and #2085 of 3,871 nationally on the Success Index (Canada) (2025 data).
How many students attend St Sebastian Catholic Elementary School?
St Sebastian Catholic Elementary School had 355 students in 2025.
Is St Sebastian Catholic Elementary School a elementary school or a secondary school?
St Sebastian Catholic Elementary School is classified as a elementary covering Grades JK-8. It is a catholic school.
What other schools are near St Sebastian Catholic Elementary School?
There are 10 schools within 15 km of St Sebastian Catholic Elementary School; they are listed on this page with their Success Index (Canada) and distance, and can be compared side by side.