The George Mason High School girls basketball team defeated rival Clarke County High School tonight in the Region B semifinals, 65-19, at Strasburg.
The Mason girls advanced to the regional semifinal game after defeating Strasburg in the quarterfinals, 68-35, Wednesday night.
The Mustangs, looking for their third consecutive state championship, will face East Rockingham Saturday at 6 p.m. in the Region B finals at Spotswood.