Mt. Baldy League

The Mt. Baldy League is a high school athletic league that is part of the CIF Southern Section. Members are located in southwestern San Bernardino County, California.

Members

 * Diamond Bar High School -- Diamond Bar, California
 * Chaffey High School -- Ontario
 * Chino High School -- Chino
 * Don Lugo High School -- Chino
 * Montclair High School -- Montclair
 * Ontario High School -- Ontario