 While on the board (beginning in 1948, and including after her re-election in 1951), Campbell was instrumental in adding fine arts classes, as well as comparable facilities for African-American and white students.She also led efforts to secure higher teacher salaries and build new schools in the growing city.Campbell served as the school board's chair from 1950 until 1956, when Arlington's elected school board was replaced by an appointed board during the state's Massive Resistance crisis.