Modesto High School is a public high school in Modesto, California, United States. It offers the International Baccalaureate Program and the Avid program, Performing Arts Program and was the first public school to do so in the Central Valley of California. Modesto High School is the oldest high school in Modesto and among the oldest in California. 2022 marks year 139. The high school moved to its current location in 1918