The Prep League is a high school athletic league that is part of the CIF Southern Section.
Members Chadwick School Flintridge Preparatory School Mayfield Senior School (girls school) Polytechnic School (except football) Providence High School Rio Hondo Preparatory School (except football) Westridge School (girls school) Rosemead High School (swimming)
Affiliate members Maranatha High School (swimming and diving) Sage Hill School (football) Windward School (football)
References