Dulles District Broad Run High School, Loudoun County High School, Loudoun Valley High School, Park View High School, Potomac Falls High School, and Stone Bridge High School. The Dulles District's name is derived from the district's proximity to Washington Dulles International Airport, which is located in eastern Loudoun County. Loudoun County's growth has been a factor in creating the Dulles District as more high schools in the county were being built during the 2000s, including four new members in the district since its founding in 2001. In 2002, Heritage High School opened; in 2003, Dominion High School opened; in 2005, Briar Woods
John Welsh Dulles John Welsh Dulles John Welsh Dulles (November 4, 1823 – April; 13, 1887) was an American Presbyterian minister and author. He was the grandfather of John Foster Dulles and Allen Welsh Dulles. Dulles was born in Philadelphia, Pennsylvania, November 4, 1823, the son of Joseph Heatly Dulles and Margaret (Welsh) Dulles. He graduated from Yale College in 1844. After pursuing the study of medicine in the University of Pennsylvania in 1844 and 1845, he entered the Union Theological Seminary, New York City, in January, 1846, and completed the course there in 1848. On October 2, 1848, he was ordained by