AAA Northwest Region

The Northwest Region was one of the four AAA regions in the Virginia High School League. It was made up of four districts: the AAA Cardinal District, the AAA Cedar Run District, the AAA Commonwealth District, and the AAA Western Valley District. Group AAA is the largest enrollment class for VHSL schools, and AAA is also typically the most competitive level. In 2013, the three classification format was eliminated in favor of a six classification system. Accordingly, the Northwest Region was eliminated, while the districts were retained for regular season competition.

The Northwest Region's member schools covers the largest geographic area of the four AAA regions, stretching from the outer suburbs of Northern Virginia primarily in Prince William County and Stafford County, to Southwest Virginia.