All

Academics

Activities

Lifeskills

Become a provider

Find academic and activity providers by city

Book a demo

Ready to see what ellerna can do?

Book a demo Become a provider

Explore
Saved
Log in

St Justin Martyr Catholic Elementary School | Ellerna

All

St Justin Martyr Catholic Elementary School

Elementary · Kindergarten · Unionville

Out-of-school care, kindergarten · Out-of-school care, grade 1 to age 12

Unclaimed

Claim this place Already a provider on Ellerna? Sign in

Where

Address: 140 Hollingham Rd
Unionville ON L3R 8K4
Phone: (905) 474-0284

Find academic and activity providers by city

Book a demo

Ready to see what ellerna can do?

Book a demo Become a provider

Explore
Saved
Log in

St Justin Martyr Catholic Elementary School

Elementary · Kindergarten · Unionville

Out-of-school care, kindergarten · Out-of-school care, grade 1 to age 12

Unclaimed

Claim this place Already a provider on Ellerna? Sign in

Where

Address: 140 Hollingham Rd
Unionville ON L3R 8K4
Phone: (905) 474-0284

Learning and care
close to home

Providers

Become a provider
Provider sign in
Browse providers
Browse schools

Solutions

Parents
Child care funding
Schools & childcare
Educators
Learning centers
Enrichment providers

Company

About us
Help center
Legal hub
Press
Careers

Vulnerability Sitemap Accessibility

Ellerna is built in Vancouver, on the traditional, ancestral and unceded territories of the xʷməθkʷəy̓əm (Musqueam), Sḵwx̱wú7mesh (Squamish) and səl̓ilw̓ətaʔɬ (Tsleil-Waututh) Nations.

Website

http://sjn.ycdsb.ca

[email protected]

Who it is for

Type: Public school
Age groups: Out-of-school care, kindergarten, Out-of-school care, grade 1 to age 12
Grades: Elementary, grades JK to 8
Languages: English

School details

School board: York CDSB
Special conditions: Not applicable
Region: Central Region

About this listing

From the Ontario Public School Contact Information (Ministry of Education), imported on October 10, 2026. Contains information licensed under the Open Government Licence – Ontario.

Dataset: Ontario Ministry of Education – Publicly Funded Schools, September 2026 list, as of September 1, 2026

Something wrong or out of date? Suggest a correction