The District 11 3A girls semifinals will consist of the four teams who played for the LVC and Colonial League championships last week.
Bethlehem Catholic and Central Catholic, who met in the LVC final, each posted easy wins in the District 11 3A quarterfinals at Catasauqua on Saturday.
Becahi opened its District title defense with a 51-34 win over Saucon Valley.
Central Catholic registered a 43-31 win over Palmerton.
Northwestern and Southern Lehigh, who met in the Colonial League final, also coasted to District quarterfinal wins.
Northwestern beat Blue Mountain 53-32, while Southern Lehigh beat North Schuylkill, 50-36.
Northwestern will face Central Catholic in Wednesday's semifinal round, while Bethlehem Catholic will face Southern Lehigh.
In District 3, Fleetwood beat Oley Valley 48-40 in a 3A quarterfinal matchup.
The Tigers will face Susquehannock in the semifinal round on Wednesday at the Giant Center in Hershey.