Fairfax Regional

The Fairfax Regional is a regional tournament held in Virginia held at Fairfax High School that mainly serves the eastern Washington D.C. area of Virginia. Fairfax began hosting a regional tournament in 2015. In 2012 and 2013, Kilmer Middle School hosted the tournament, and in 2014, it was hosted by James Madison High School.

Division B

 * 1In 2012, a second team from Longfellow Middle School took 2nd with 70 points.
 * 2In 2013, a second team from Lake Braddock Middle School took 3rd with 114 points, and a second team from Luther Jackson Middle School took 4th with 125 points.
 * 3In 2015, a second team from Kilmer Middle School took 3rd with 106 points, and a second team from Lake Braddock Middle School took 4th with 127 points.
 * 4In 2016, a second team from Longfellow Middle School took 2nd with 70 points.
 * 5In 2017, a second team from Kilmer Middle School took 2nd with 151 points.

Division C

 * 1In 2014, a second team from Thomas Jefferson High School for Science and Technology took 3rd with 74 points, and a third team took 4th with 111 points.
 * 2In 2015, a second team from James Madison High School took 3rd with 111 points, a third team took 5th with 161 points, and a second team from Robinson Secondary School took 4th with 156 points.
 * 3In 2018, a second team from Langley High School took 2nd with 149 points.
 * 4In 2019, a second team from Langley High School took 3rd with 158 points, and a third team took 4th with 182 points.

Division B

 * Chesterbrook Elementary School
 * Churchill Road Elementary School
 * Colin Powell Elementary School
 * Farmwell Station Middle School
 * Floris Elementary School
 * Great Falls Elementary School
 * J. Michael Lunsford Middle School
 * Kent Gardens Elementary School
 * Kilmer Middle School
 * Lanier Middle School
 * Lemon Road Elementary School
 * Manchester Middle School
 * Mantua Elementary School
 * McNair Elementary School
 * Oakcrest School
 * Oak Hill Elementary School
 * Poplar Tree Elementary School
 * South County Middle School
 * Spring Hill Elementary School

Division C

 * Chantilly High School
 * Flint Hill School
 * James Madison High School
 * Langley High School
 * Oakcrest School
 * Robert E. Lee High School
 * Robinson Secondary School
 * Rock Ridge High School
 * South Lakes High School
 * Thomas A. Edison High School
 * W.T. Woodson High School
 * Westfield High School
 * Woodberry Forest School