Newmarket / ON / Canada

Sir William Mulock Secondary School

Sir William Mulock Secondary School in Newmarket: grades 9-12 · York Region DSB · 1,190 students (2024-2025).

Data retrieved 2026-10-13 · Hillbase

School at a glance

Directory address: 705 Columbus Way, Newmarket, ON, L3X2M7
Grades: 9-12
Education level: secondary
District / authority: York Region DSB
School type: Secondary
Directory status: Active

School website ↗

Enrolment & capacity

Reported enrolment

1,190

School year: 2024-2025

headcount

These are dated reported figures. Capacity is not the number of places currently available; figures from different school years should not be treated as directly comparable.