Cougar Waterpolo, earned the silver medal at the 2017 California State High School Championships, which annually brings together the top 48 teams in the state for a three day competition in Orange County. The Cougars lost a hard-fought championship game to perennial powerhouse Mater Dei 11-9 , after defeating Newport Harbor 10-7 in the semi-final and Orange Lutheran 14-7 in the quarterfinals.