Westfield Senior High School, or simply Westfield High School, (abbreviated as WHS), is a comprehensive public high school located in Westfield, in Union County, New Jersey, United States, serving students in ninth through twelfth grades as the lone secondary school of the Westfield Public Schools. It was established in the early 1900s at its original location on Elm Street until 1951 when it was moved to its current location on Dorian Road.