 In 1949, Boisture helped the University of Detroit football team win the Missouri Valley Conference championship in the school's first year in the conference.Boisture began his coaching career as a high school football coach at Dearborn St. Alphonsus High School and Ecorse St. Francis Xavier High School.From 1954 through 1958, he coached at Detroit St. Mary's of Redford High School in the Detroit Catholic League, where his teams accumulated a 37–4–2 record and won the Catholic League championship four of the five years he coached there.