Walnut High School is a public high school located at Walnut, California, among the San Jose Hills of the San Gabriel Valley in Southern California. Ranked in the top 100 high schools in America by the Daily Beast Publication, Walnut High School is also located within the prestigious Walnut Valley Unified School District, which has also been ranked by numerous sources to be one of the top public school districts in all of Southern California. The school is a two-time National Blue Ribbon School (1992–93 and 1997–98), six-time California Distinguished school (1991, 1992, 1994, 1998, 2005 and 2009), and a California Gold Ribbon School (2017). Walnut High School has also offered the International Baccalaureate program since 1999.