Armidale High School is a co-educational, public secondary school, located in Armidale, a university and cathedral city in northern New South Wales, Australia. Founded in 1920, Armidale High School was the first state secondary school to be established in Armidale. The school has a non-selective enrolment policy and currently caters to approximately 715 students from Years 7 to 12. It is a school of the New South Wales Department of Education (DEC), and prepares students for the Record of School Achievement (Year 10), and the Higher School Certificate (Year 12).