W.T. Woodson's girls basketball team scored a Northern District victory over top-ranked and previously unbeaten Lake Braddock. In boys play, Mount Vernon remained unbeaten in 10 games with two victories. Girls Basketball

W.T. Woodson held top-ranked Lake Braddock scoreless for seven minutes in the second half to hand the Bruins their first loss, 55-53, in the Northern District opener for both teams. Wendy Shaltis (16 points) was 5-for-6 from the line in the last minute of the game to raise Woodson's record to 9-1. Free throws were the key to the Cavaliers victory as they went 21-for-29, topping Lake Braddock's 7-for-15 free throw game.

Lake Braddock pounded Edison earlier in the week, 61-19. Emily Rice had 18 points and Laura Teter (14 points) controlled the boards. The Bruins held the Eagles to seven second half points.

The trio of Ashley Hancock (17 points), Krissy Weisenfells (20) and Zekie Blanding (18) led Lee to an easy 66-38 win over T.C. Williams. The Lancers are the highest scoring team in the region, averaging over 64 points per game.

West Springfield got 25 points from Erin Riddle and the Spartans outscored West Potomac 31-13 in the second half to take a 51-37 victory over the Wolverines. Boys Basketball

Mount Vernon remains the only unbeaten team in the Northern Region. The Majors ran their record to 10-0 with a hard-fought 62-55 win over W.T. Woodson and an overtime victory over district rival West Potomac, 65-58. In the victory over Woodson, four Majors scored in double figures led by David Taylor's 16 points and Norrin Braxton's 15. Taylor led the Majors with 20 against West Potomac.

Jerome Scott hit five three-pointers on the way to 32 points and a South Lakes 85-70 victory over Oakton. The Seahawks led only 33-28 at the half but Grant Hill (20 points) and Scott took over in the second half for South Lakes.

Lee escaped T.C Williams with its eighth victory, 60-55, despite blowing a big lead in the fourth quarter. The Titans cut a 13-point deficit to one late in the game but could not convert several opportunities in the final minute to force overtime.

Twenty-three points from McLean's Kevin Blake was not enough as Falls Church continues to surprise with a 58-53 win over the Highlanders. The Jaguars raised their record to 6-2 after winning only 10 games all of last season. David Edwards paced the Jaguars with 14 points.

West Springfield squeezed past West Potomac in overtime, 58-55. Chris Riley had 20 points to pace the winners. West Springfield is now 5-4, one win away from matching its victory total of a year ago.

In a battle of Arlington rivals, Daryl Armstrong (21 points) and Terrance Knuckles (20) combined to overcome 20 points and four three-pointers by Wakefield's Sidney Winkler as Yorktown beat Wakefield, 56-52.