Mary Washington Regional

The Lake Braddock Regional is a regional tournament in Virginia held at Lake Braddock Secondary School that mainly serves the western Washington D.C. area of Virginia. Since 2012, the regional has also been hosted by Langley High School, Stone Middle School, George C. Marshall High School, and W.T. Woodson High School. The tournament is scheduled to be held at Mary Washington University in 2020.

Division B

 * 1In 2012, a second team from Kilmer Middle School took 3rd with 162 points.
 * 2In 2013, a second team from Churchill Road Elementary School took 2nd with 140 points.
 * 3In 2014, a second team from Longfellow Middle School took 2nd with 98 points, and a second team from Lake Braddock Middle School took 4th with 112 points.
 * 4In 2015, a second team from Longfellow Middle School took 2nd with 61 points.
 * 5In 2016, a second team from Kilmer Middle School took 2nd with 126 points, and a second team from Lake Braddock Middle School took 4th with 128 points.
 * 6In 2017, a second team from Longfellow Middle School took 2nd with 58 points, and a second team from Luther Jackson Middle School took 4th with 132 points.
 * 7In 2018, a second team from Longfellow Middle School took 2nd with 91 points.
 * 8In 2019, a second team from Longfellow Middle School took 2nd with 89 points.

Division C

 * 1In 2014, a second team from Lake Braddock Secondary School took 3rd with 120 points.
 * 2In 2015, a second team from Thomas Jefferson High School for Science and Technology took 2nd with 58 points, a third team took 3rd with 68 points, a second team from Langley High School took 5th with 131 points, and a third team took 6th with 139 points.
 * 3In 2016, a second team from Thomas Jefferson High School for Science and Technology took 2nd with 67 points, and a third team took 4th with 105 points.
 * 4In 2017, a second team from Thomas Jefferson High School for Science and Technology took 2nd with 118 points, and a third team took 4th with 166 points.
 * 4In 2018, a second team from McLean High School took 3rd with 149 points.

Division B

 * BASIS Independent McLean
 * Belmont Ridge Middle School
 * Crossfield Elementary School
 * Cunningham Park Elementary School
 * Dominion Christian School
 * Frost Middle School
 * Harper Park Middle School
 * Haycock Elementary School
 * Lake Braddock Middle School
 * Longfellow Middle School
 * Pinnacle Academy
 * Providence Elementary School
 * River Bend Middle School
 * Seneca Ridge Middle School
 * Stone Hill Middle School
 * Trailside Middle School
 * Westlawn Elementary School
 * Westminster School
 * Willow Springs Elementary School

Division C

 * Briar Woods High School
 * Episcopal High School
 * Fairfax High School
 * George C. Marshall High School
 * Hayfield Secondary School
 * Justice High School
 * Lake Braddock Secondary School
 * McLean High School
 * Middleburg Academy
 * Potomac Falls High School
 * Stone Bridge High School