 A significant reorganisation in 1971 combined three schools – Friars School, the Bangor County School for Girls (also a grammar school), and Deiniol School, a co-educational Secondary modern school.The three schools brought together formed a new comprehensive school, under the Friars name, but on three sites.The former girls' school became the Tryfan site, a Welsh language medium for the lower years, while the Ffriddoedd building was the location of the English language medium lower years.