The Cedar Run District no longer exists. All Prince William Schools are now members of the Cardinal District for regular season play.
The Prince Williams members of the Cedar Run District became Conference 8 under the VHSL alignment for the school year 2013-2-14. It is anticipated that Conference 8 will be retitled Cedar Run Conference.
Member schools are Battlefield, Osbourn, Osbourn Park, Patriot, and Stonewall Jackson. It is anticipated that the 12th Prince William High School, Colgan, to come on line Fall 2016 will be a member of the Cedar Run Conference.
The Cedar Run Conference is part of the new Region 6A North.