St John XXIII Catholic Elementary School
🇨🇦 Official data · 2025Unionville, Ontario L3R1V8 · York CDSB
#2403 of 3,871 elementary schools in Ontario
#2403 of 3,871 nationally
About St John XXIII Catholic Elementary School
St John XXIII Catholic Elementary School is a catholic elementary located in Unionville, in the York CDSB school board or district of Ontario, Canada. It caters for Grades JK-8. In 2025 it enrolled 290 students. Publicly funded Catholic (separate) school boards in Ontario; free to attend.
Its Success Index (Canada) is 42.6 out of 100, placing it in the lower 50% of elementary schools in Canada and 2403rd of 3,871 ranked elementary schools in Ontario. Its strongest component is eqao grade 6 (reading, writing, maths) (62th percentile), and its weakest is community advantage (fewer low-income households) (7th percentile).
Other published figures: enrolment 290; first language not english 40%; special education 10%; identified as gifted 0%.
There are 16 schools in Unionville; St John XXIII Catholic Elementary School ranks 12th of 13 scored schools there.
Success Index (Canada) breakdown
Each component is a percentile against elementary schools across Canada.
- EQAO Grade 3 (reading, writing, maths) (20%)64%
- EQAO Grade 6 (reading, writing, maths) (25%)78.7%
- 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%)20%
- 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 St John XXIII Catholic Elementary School by the official sources.
- Enrolment
- 290
- Students enrolled in the latest published year.
- EQAO Grade 3
- 64%
- Average % at or above the provincial standard in reading, writing and mathematics.
- EQAO Grade 6
- 78.7%
- Average % at or above the provincial standard in reading, writing and mathematics.
- Low-income households
- 20%
- % 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
- 40%
- % 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 John XXIII Catholic Elementary School
Closest schools by straight-line distance, with their Success Index (Canada).
William Berczy Public School
Unionville · Public elementary · Grades JK-8
565 students · 736 m away
Parkview Public School
Unionville · Public elementary · Grades JK-8
570 students · 847 m away
Unionville High School
Unionville · Public secondary · Grades 9-12
1,865 students · 1.2 km away
Unionville Public School
Unionville · Public elementary · Grades JK-8
355 students · 1.4 km away
Bill Crothers Secondary School
Unionville · Public secondary · Grades 9-12
1,575 students · 1.4 km away
Coledale Public School
Markham · Public elementary · Grades JK-8
605 students · 1.6 km away
St Justin Martyr Catholic Elementary School
Unionville · Catholic elementary · Grades JK-8
675 students · 1.6 km away
St Matthew Catholic Elementary School
Unionville · Catholic elementary · Grades JK-8
100 students · 1.8 km away
Beckett Farm Public School
Markham · Public elementary · Grades JK-8
790 students · 2.4 km away
St Monica Catholic Elementary School
Buttonville · Catholic elementary · Grades JK-8
370 students · 2.5 km away
Similar schools
Catholic elementary schools in Ontario with a comparable Enrolment.
St Francis of Assisi Catholic School
Kingston · Catholic elementary · Grades JK-8
290 students
Our Lady of Providence Catholic Elementary School
Brantford · Catholic elementary · Grades JK-8
290 students
St Joseph's School
Port Elgin · Catholic elementary · Grades JK-8
290 students
St Joseph's Separate School
Gananoque · Catholic elementary · Grades JK-8
290 students
St Mary's Separate School
Carleton Place · Catholic elementary · Grades 4-8
290 students
École élémentaire catholique Saint-Joseph (Wendover)
Wendover · Catholic elementary · Grades JK-6
290 students
Frequently asked questions
Is St John XXIII Catholic Elementary School a good school?
St John XXIII Catholic Elementary School has a Success Index (Canada) of 42.6 out of 100 (Lower 50% of elementary schools in Canada) and ranks #2403 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 John XXIII Catholic Elementary School rank in Ontario?
St John XXIII Catholic Elementary School ranks #2403 of 3,871 elementary schools in Ontario and #2403 of 3,871 nationally on the Success Index (Canada) (2025 data).
How many students attend St John XXIII Catholic Elementary School?
St John XXIII Catholic Elementary School had 290 students in 2025.
Is St John XXIII Catholic Elementary School a elementary school or a secondary school?
St John XXIII Catholic Elementary School is classified as a elementary covering Grades JK-8. It is a catholic school.
What other schools are near St John XXIII Catholic Elementary School?
There are 10 schools within 15 km of St John XXIII Catholic Elementary School; they are listed on this page with their Success Index (Canada) and distance, and can be compared side by side.