SAC | Canada's Largest All-Boys Boarding School - Private School One of Canada's best boarding schools for boys in grades 6 to 12 and the largest independent all-boys boarding school in Canada. One of the top private schools in Toronto offering a safe and quality education for day and boarding students from 26 countries., SAC | Canada's Largest All-Boys Boarding School Sac.on.ca~Site InfoWhoisTrace RouteRBL Check