By 1965, Midland Avenue Secondary was itself renamed to "Midland Avenue Collegiate Institute". The school's original facilities consisted of 30 standard classrooms, art, music, 5 science lab., library, 2 industrial arts, 2 home economics, 3 typing rooms, a 918-seated auditorium, 3 gymnasiums, cafeteria and business machines room. The sections of the original building such as the commercial and technical wing was erected in 1963, followed by the addition of 11 classrooms along with the swimming pool built in 1964 and the library in 1974.