Charter Oak High School is a four-year comprehensive secondary school in the Charter Oak Unified School District. It is located in the City of Covina, California, in the San Gabriel Valley east of Los Angeles The school serves 9th, 10th, 11th and 12th graders from the communities of Covina, Glendora and San Dimas. Enrollment in 2016-17 was 1,566. Charter Oak High School, which opened in 1959, is accredited by the Western Association of Schools and Colleges.Charter Oak High School was named a California Distinguished School in 1996 and 2007 and a 2015 Gold Ribbon School.The school also was named one of the top 1,500 high schools in the country by Newsweek magazine in 2009.Academic programsInternational Baccalaureate(IB) program : Charter Oak was the first Los Angeles County high school to adopt the rigorous IB program. BETA (Business Educational Technology Academy)Health and Wellness Academy: Project Lead the Way biomedical pathway programProject Lead the Way Engineering Design and Development Academy Advanced PlacementAdvancement Via Individual Determination (AVID)