Complex sentence: He served as member of the Orleans Parish School Board from 1908-1912 and again from 1916-1920 and as president in 1919 and 1920.
Split into simpler sentences: He served as member of the Orleans Parish school board 1908-1912. He was again a member of the Orleans Parish school board 1916-1920, serving as president in 1919 and 1920.