Behind Dempsey Cooper's team-high 15 points, Germantown Academy pulled away from visiting Abington Friends, 47-41, in the Pa. Independent Schools quarterfinals.
The senior scored six of GA's 19 third-quarter points. Angela Upright came off the bench to add four points and three key-blocks.
Lauren Gold led Abington Friends with 15 points.
The Patriots will play Notre Dame on Friday at Malvern Prep.