Anjane Janda and her sister, Kathleen, each had nine kills to lead the Harker Heights Lady Knights to a 25-13, 25-17, 25-6 sweep at Killeen on Friday.
Heights (32-4, 8-1 District 8-5A) remained a game behind district leader Copperas Cove, which swept Shoemaker.
Katie Shulte led the Lady Knights with 23 assists. Deysia Burden tallied five kills and four blocks. Jordan Denny finished with 11 digs.
Esha Atkins led the Lady Roos with eight assists, two blocks and an ace. Johlicia Williams and Tiare Dugger each had four kills and Chalon Anderson had seven digs for the Lady Roos (18-25, 1-8 8-5A).