UPSTAGE PRODUCTIONS: 12 Angry Jurors École St Mary High School invites the community to Upstage Productions' two-act play, "12 Angry Jurors".". Show times at the École St Mary High School Lecture Theatre are from Wednesday, November 24th to Saturday, November 27th, at 7:30 p.m. Tickets are available at the door on performance evenings: $10.00 for adults (ages 19 and over) and $5.00 for ....