Butler High School will present “Just Another High School Play” as its all-school spring play at 7:30 p.m. Friday and Saturday in the senior high school auditorium. The 90-minute comedy covers nearly every angle of the typical high school play with a dose of history and improvisation thrown in. Admission is $5 at the door.

Comtra Theatre, Route 19 in Cranberry Township, presents Arthur Miller's classic “The Crucible” Friday through May 18. Curtain is at 7:30 p.m. Fridays and Saturdays. Tickets are $12. Call 724-591-8727 or visit www.comtraplayers.com.

Allegheny RiverStone Center for the Arts hosts the Slippery Rock University Drama Troupe at 7 p.m. Friday in “Romeo and Juliet” at Lincoln Hall, 92 Palmer St. Call 412-867-1816 or visit alleghenyriverstone.org.Barrow-Civic Theatre in Franklin is only the third amateur theater in Pennsylvania to stage “Les Misérables” with performances at 7:30 p.m. today through Saturday and at 2 p.m. Sunday at the theater at 1223 Liberty St. Tickets are $18 for adults, $16 for senior citizens, and $12 for students. Call 814-437-3440 or 800-537-7769, or visit www.barrowtheatre.com.New Castle Playhouse, 212 E. Long Ave., New Castle, is presenting the musical comedy “9 to 5: The Musical” through May 12. Show time is at 7:30 p.m. Fridays and Saturdays and at 2 p.m. Sundays. Tickets are $15 for adults, $12 for senior citizens and students, and $10 for children 12 and younger. Call 724-654-3437.