Cairns State High School (CSHS) is a public secondary school located near the centre of Cairns, North Queensland, Australia. It was founded in 1917 as an annex of Cairns Central State School and is the oldest high school in Cairns. The school caters for grades 7 though to 12 and has the capacity for 1500 enrolled students. The school motto is 'Vincit Qui Se Vincit' ('He Conquers Who Conquers Himself') and its principal is Mr Chris Zilm.