 Winston Churchill shares the same design as West Hill Collegiate Institute and has since altered over time.Located in the 15-acre campus in the three-storey, 202,216-square-foot building, it started with 23 classrooms and has undergone major constructions and renovations in 1955, 1961, 1963, 1964, 1966, 1973 and 1983 that currently composes of more than 75+ classrooms for science and academics, four gymnasiums (girls in the upper, boys in the lower - both can be divided into smaller sections), a cafeteria, a library, workshop rooms (wood shop and auto shop) located in the eastern corner, a quad to enable creative learning opportunities for studies in science, the main office/guidance in the northeastern corner, the larger 904-seat auditorium, and the paved race track with the football/soccer field.There are 12 fire exits.