- In the height of Bob Cousy's reign as the Boston College basketball coach in the mid to late 1960s, Jack combined with Billy Evans to form one of the top one-two guard combos in the nation.
- During his three varsity seasons, Kvancz and the Eagles made two trips to the NCAA Tournament and one to the NIT. After his senior season, he earned the Bob Cousy Award as the top player in New England under six feet in height.
- After graduation, Kvancz went on to become head coach and later athletics director at Catholic University as well as the athletic director at George Mason and George Washington.
- Inducted into the Boston College Varsity Club Athletic Hall of Fame in 1984.