St Bonaventure High School competes in the Tri County Athletic Association, which if broken down into two Leagues the Tri-Valley and Frontier leagues. The Lone exception is our football team which competes in the Marmonte League. There are 16 Seraph sport teams that compete every school year, they have won many league, CIF and State Championships.
Football – Boys & Girls Cross Country – Girls Volleyball – Girls Golf – Girls Tennis
Boys Basketball – Girls Basketball – Boys Soccer – Girls Soccer
Boy & Girls Track & Field – Baseball – Softball – Boys Tennis – Boys Golf