Catholic elementary · Markham
St. Justin Martyr Catholic Elementary School
Use this Markham school guide to check the essentials: Kindergarten–Grade 8, English and the school’s official enrolment information. Keep your child’s needs and the exact home address at the centre of the decision.
- Grades
- Kindergarten–Grade 8
- Teaching language
- English
- School board
- York Catholic District School Board
- Address
- 140 Hollingham Rd., Unionville L3R 8K4
- Municipality
- Markham
School-specific context
St. Justin Martyr Catholic Elementary School is on Hollingham Road in Unionville, part of Markham. The York Catholic directory lists both Kindergarten to Grade 8 and PACE at the school. Families should check the relevant program boundary as well as the regular school boundary when comparing a prospective address.
PACE listing
The board lists PACE at this school and publishes a separate PACE boundary map. Program placement requires confirmation with the board.
Unionville location
The school’s address is 140 Hollingham Road; nearby development listings here cover the City of Markham.
BEFORE YOU CHOOSE A HOME
Check the address.
Confirm the program.
A nearby home or a shared municipality does not guarantee a place. Ask the board about attendance boundaries and the school about any separate entry requirements.
Considering a home in Markham?
Explore the municipality once you have checked the school’s entry rules. These searches do not establish distance, school boundaries, transportation or admission.
Official sources and check dates
- York Catholic school directory — grades, address and programs Source checked Oct 3, 2026
- Official school website Source checked Oct 3, 2026
- York Catholic admissions and registration Source checked Oct 3, 2026
- Fraser Institute 2025 report — 2023/2024 results Source checked Oct 3, 2026
These guides use AI-assisted research and dated public source records. A source check is not a school visit or a personal assessment. For a correction, choose a team member to contact.