(June 27, 2013) - Loudoun County Public School Edgar B. Hatrick III announced earlier this month he would retire at the end of the 2013-14 school year. He has been the school district's leader since 1991 and a graduate of Loudoun County High School, he has been working in the school system since 1967.When Hatrick helped open Broad Run High School in 1969 there was just 9,525 students total in the entire school system and that number had only increased to 15,118 by the time he took over as superintendent in 1991. Since then, Loudoun's student population has skyrocked to 68,289 students this past year. Here is the full text of Hatrick's retirement letter: