The visiting Lancers couldn't keep pace with the Angels in a Metro Classic game.
St. Catherine's, ranked third in Division-3 in the latest WisSports.net state coaches poll, improved to 2-1 overall and 1-1 in the conference. St. Joseph dropped to 2-3 and 0-2.
Tim Berry scored 16 points to pace the Lancers.
"Our coaching staff is proud of the way our players responded to one of the toughest teams in state," St. Joseph coach Brandon Morris said. "We showed some heart, some toughness and grit at times."
"Our biggest challenge is to find a way to put all of those together for a full 36 minutes. We believe our players will find a way to meet that challenge."