Brea Olinda High School is a 9th–12th grade public high school located in Brea, California. Established in 1927, the school was originally located across the street from the Brea Mall. In 1989, the school moved to its current location on the northern hills of Brea. Brea Olinda High School is a part of the Brea Olinda Unified School District.

Brea is a city in northern Orange County, California. The population as of the 2010 census was 39,282. It is 33 miles (53 km) southeast of Los Angeles. Brea is part of the Los Angeles metropolitan area.