Rockwell College host a travelling PBC side (kick-off 3pm) as both clubs bid for a final place in the Junior Cup competition.
Glenstal Abbey School take on Crescent College on Thursday, 13th March at Rosbrien (kick-off 2.30pm) as they bid for the title.
Crescent overcame last year's champions Castletroy College in the quarter final stage and will seek a double cup win this year.
Their seniors and current Munster Senior Cup champions will defend their title, in a first time all Limerick final against Ardscoil Rís, on St. Patrick's Day at Thomond Park Stadium, kick-off 3pm.
Munster Schools Junior Cup Semi Final
Wed, 12th March, Rockwell College v PBC, Clanwilliam Park, kick-off 3pm.
Thurs, 13th March, Glenstal Abbey School v Crescent College Comprehensive, Rosbrien, kick-off 2.30pm.
Munster Schools Senior Cup Final
Mon, 17th March, Ardscoil Rís v Crescent College Comprehensive, Thomond Park Stadium, kick-off 3pm.