 Hazelwood East High School was established in 1974 with the classes of 1975 and 1976 attending split class sessions in the existing Hazelwood High School building.Hazelwood East and Hazelwood West students attended classes in the a.m. and Hazelwood Central students attended in the p.m. Hazelwood East's new high school facility opened to students in the fall of 1976.The school integrated an 'open-space' classroom concept.