In 1965, the then nineteen schools in the Northern Region which competed at the AAA varsity level were first organized into three districts based primarily on geographic location. The Northern Region was originally made up of three districts. They were the AAA Northern District, the AAA Alexandria District, and the AAA Potomac District.
The organization of the Northern Region's AAA varsity schools into three districts was established in 1965, with these districts being the AAA Northern District, the AAA Alexandria District, and the AAA Potomac District.