[2] The original school seal depicted the Raider on horseback with a Confederate Battleflag in his hands.

Amid the George Floyd protests in 2020, alumni started a petition to change the mascot.

[2] On June 30, 2020, the Loudoun County School Board officially removed the mascot.

Two subsequent murals were created, one in the 1970s, the other in 2004 (commemorating the school's fiftieth year in operation).

[6] The NJROTC Program at Loudoun County High began in the 2009–2010 school year.

The average SAT score in 2006 for Loudoun County was a 1,100 (531 in Math; 537 in Critical Reading).

The Loudoun County girls' volleyball team has won state championships from 2007 to 2010 and again from 2012 to 2017.