 XBHS is a member of the Catholic Conference and is classified as Division 1 in the Massachusetts Interscholastic Athletic Association (MIAA) for a majority of its athletic programs.It sponsors 16 varsity sports - cross country (non-cut), golf, football (non-cut) and soccer during the fall season; alpine skiing (non-cut), basketball, hockey, indoor track (non-cut), swimming (non-cut), and wrestling (non-cut) during the winter season; and baseball, lacrosse, rugby (non-cut), tennis, track & field (non-cut) and volleyball during the spring season.The MIAA has honored Xaverian athletics five times for outstanding sportsmanship.