South Hills High School (often known by its abbreviation, SHHS) is a public coeducational high school located in the hills in the eastern part of West Covina, California (although there is a common misconception that it is in Covina), east of Los Angeles in the San Gabriel Valley. South Hills High School is part of the Covina-Valley Unified School District. South Hills opened in the fall of 1964, with incoming freshmen, as well as sophomore and junior transfers from Covina and Northview high schools. Its first graduating class was in June, 1966.