With the NPBL's Denver Frontier-Refiners in 1951, Schoon scored 363 points in 31 games, an 11.7 point average. He set a professional basketball scoring record with 64 points in a 99-72 victory over the Kansas City Hi-Spots on Jan. 21, 1951, at the Denver Auditorium. That record is currently held by Wilt Chamberlain, who scored 100 points in a 1962 NBA game.