Great Oak High School, opened in 2004, lies at the base of Wolf Valley in Temecula, California, USA, in Riverside County in the Temecula Valley Unified School District. In 2009 and 2010, Great Oak High School was listed in Newsweek's annual top 1000 high schools in America. GOHS was ranked #700 in 2010. Great Oak is ranked 84th in the State of California, as of 2016. Great Oak also offers the International Baccalaureate Diploma Programme.