Complex sentence: He attended East Rockaway High School (class of 1947) in East Rockaway, New York where he played football and track, was a member of the student government and glee club and joined the Alpha Phi Chapter of the Omega Gamma Delta Fraternity.
Split into simpler sentences: He attended East Rockaway High School (class of 1947) in East Rockaway, New York where he played football and was on the track team. Murray was a member of the student government, glee club, and alsojoined the Alpha Phi Chapter of the Omega Gamma Delta Fraternity.