[3] In 1999, he was named by The Star-Ledger as one of the top ten New Jersey high school soccer players of the 1940s-1960s.
[4] In 1943, while still in high school, Sheppell signed with Kearny Celtic of the American Soccer League (ASL).
That year, Sheppell entered Seton Hall University, where he played on the school's soccer team.
Sheppell earned his first official cap with the U.S. national team on October 19, 1949, in a 4–0 loss to Scotland.
Sheppell remained with the national team as it traveled to Mexico for the 1949 North American Cup (NAC).