St. Thomas Aquinas Regional School was founded in 1977 in Woodbridge, VA and is administered and staffed by the religious community of the Dominican Sisters of St. Cecilia and a lay faculty. It serves over 420 students from pre-kindergarten through eighth grade and three Arlington Diocese parishes: Our Lady of Angels, St. Elizabeth Ann Seton and Sacred Heart. It has a diverse student body with over 20 percent of the students speaking one of 17 secondary languages.