Regular opponents included three of the Philadelphia Big Five schools: Saint Josephs, La Salle, and Temple.
He was President of the Eastern College Basketball Association (ECBA) from 1978 to 1981, and a member of the NCAA Rules Committee from 1970 to 1977, twice serving as chair.
Carpenter served as a coach for the USA Basketball team that traveled to Argentina for the International Cup Games in 1979 and also served as a coach at the first-ever U.S. Olympic Festival where he earned a silver medal[5] In an interview, Texas A&M athletic director Dr. Len Nardone said, "A wonderful group of people there.
The AD who hired me at the time (John Carpenter) gave me a terrific foundation experience in collegiate sports that I have always appreciated.
"[6] Tom Davis, long time Lafayette and Iowa coach, in an interview with the Lehigh Valley Express, said, "There's some great memories there.