Washington-Liberty High School, formerly known as Washington-Lee High School, is a public high school in the Arlington Public Schools district in Arlington, Virginia, covering grades 9–12. Its attendance area serves the central third of Arlington, and it also offers the International Baccalaureate program countywide.

Arlington Public Schools is a public school division in Arlington County, Virginia. In 2019, student enrollment was 28,020 students, with students coming from more than 146 countries. In 2015, there were 2,166 teachers. There are 24 elementary schools, 6 middle schools, 4 high schools, 1 secondary institution and 4 other educational programs within the school district.