Born on August 12, 1935 in Little Valley, Clark moved to Chautauqua County when he was eight years old and went on to become a superb performer at Frewsburg Central School.
From 1949-1953, Clark lettered and started all four years in basketball and baseball. He also lettered in track as a senior and played on the volleyball and bowling teams.
Clark set the county record with 417 points as a junior. He averaged 23.02 points per game. As a senior, Clark scored 441 points. He finished his four-year career with 1,171, which was a record at that time.
During his sophomore, junior, and senior seasons he was selected to the Class C League All-Star Team.