El Rancho High School opened its doors in September 1952 and was a part of the Whittier Union District until 1962 when the El Rancho Unified School District was developed.
El Rancho High School opened its doors in September 1952. Whittier High School provided many of the original El Rancho students, and the Whittier Union District administered the new school until 1962 when the El Rancho Unified School District was developed.