Dean retired from playing after the 1956 season (though he did play one game for the Montreal Alouettes in 1957) but made Edmonton his home and continued to coach. He was a teacher at Victoria Composite where he coached of City Senior Football Champions in 1966 and 1967. At Bonnie Doon Composite, where he was assistant principal, they won two City Senior Football titles (1971 and 1972 City and Provincial Champion) with Dean as Defensive Coordinator of the Lancers. (Ken Brice was Head Coach). Later he was principal at Victoria and at M.E. Lazerte Composite High School where he coached his teams to four more City Senior Football championships.