The York Junior School
TYS has two campuses in midtown Toronto, which are located on Yonge Street near St. Clair Avenue. The JK–Grade 6 students learn at 1639 Yonge Street (north of St. Clair Avenue). The Junior School features a playground, an art room, an innovation lab, library, two gymnasiums, a music room, classrooms, cafeteria, and a kindergarten area.

In the summer of 2025, TYS began renovating the Junior School campus to create a brand new innovation lab, a larger cafeteria, a second gymnasium, a library and two classrooms for Grade 6. The renovation will be completed by January 2027. 

The York Middle and Senior School Campus
TYS has two campuses in midtown Toronto, Grades 7–12 students have classes at 1320 Yonge Street (south of St. Clair Avenue). In addition to classrooms and labs, this campus includes a gymnasium, athletic commons, art room, the Leigh Family Centre for Wellbeing, a drama room, music room, cafeteria, turf, library, and specialized rooms for film and STEAM learning.