By Tim Pfarr Seventh-graders (from left) Ali Whittles, Mikayla Nudelman and KJ Winegar — who play Mr. Bucket, Grandma Georgina and Grandpa George, respectively — read during a rehearsal for ‘Wonka Jr.’

By Tim Pfarr Seventh-graders (from left) Ali Whittles, Mikayla Nudelman and KJ Winegar — who play Mr. Bucket, Grandma Georgina and Grandpa George, respectively — read during a rehearsal for ‘Wonka Jr.’