Liberty Union High School District

Liberty Union High School District is a public school district based in northeastern Contra Costa County, California.

The communities it serves include Brentwood, the majority of Oakley, a section of Antioch, the CDPs of Byron, Discovery Bay and Knightsen and Bethel Island.

Schools:
 * Freedom High School (Oakley)
 * Heritage High School (Brentwood)
 * Independence High School (Brentwood)
 * La Paloma High School (Brentwood)
 * Liberty High School (Brentwood)