Holy Name of Mary College School, located in Mississauga, is Ontario's only independent Catholic school for girls in Grades 5 to 12. From a 25-acre setting Holy Name of Mary College School offers a liberal arts education and follows a modified semester system as of the 2021–2022 school year. With the exception of certain Open courses, such as Music and Physical Education, all courses are offered exclusively at the Academic level and educate girls to university-entrance standards. Vocal music is a key focus at Holy Name of Mary College School; the school has three award-winning choirs. Holy Name of Mary College School is the sister school of St. Michael's College School, a private, Catholic all-boys school in Toronto.