Horizon League (California)

The Horizon League is a high school athletic league that is part of the CIF Southern Section. Members are all-girls Roman Catholic college preparatory schools located western San Gabriel Valley, Glendale, mid-city and Lincoln Heights neighborhoods of Los Angeles.

Members

 * Alverno Heights Academy (Sierra Madre) (Closed in 2023)
 * Bishop Conaty-Our Lady of Loretto High School (Los Angeles)
 * Holy Family High School (Glendale)
 * Ramona Convent Secondary School (Alhambra)
 * Sacred Heart of Jesus High School (Lincoln Heights)
 * San Gabriel Mission High School