A 1954 graduate of Ithaca College, Corcoran is best known for building one of the country’s strongest lacrosse programs at Corning East High School, in Corning, NY. While at Corning East he compiled and impressive record of 149 wins – 24 loses, winning the Upstate Lacrosse League Championship in ’68, ’70, ’71, the Section 4 title in ’75, and Section 5 title in ’77. Five of his players were selected as High School All-Americans.