Raised in Stratford, New Jersey,[2] Kelley played high school football for the Sterling High School Silver Knights. He was a safety and linebacker for the Silver Knights before converting to quarterback his junior year.[3] The team was 11-0 his senior season and garnered a number one ranking in New Jersey.[4] In his four years playing for the Silver Knights, they won four Colonial Conference titles and reached the first four South Jersey Group 3 championship games, winning three of them. He was inducted into the Camden County Sports Hall of Fame in 2013.[5]
^"Getting a Grip", The Philadelphia Inquirer, January 12, 1983. Accessed September 22, 2019. "'We have a lot of Penn State players going Ito the Stars, and it would be nice to play close to home,' said Kelley, whose family lives in Stratford, N.J."