Washington High School (commonly Washington, Washington High, or WHS) is a public secondary school located in Sioux Falls, South Dakota with an enrollment of 1,831 students. The school is part of the Sioux Falls School District, and is one of three public high schools in Sioux Falls. Founded in 1908, Washington High School succeeded Central School and Irving High School as the city's predominate secondary public school, built to accommodate a larger student capacity.