Stand Up and Stop It is a play about bullying suitable to be performed as a play or done reader's theater style in class. It helps students develop language to stand up to bullies and stick up for each other, as well as educates students on the different forms bullying can take.
In the first scenes, students bully different victims and nobody stops it - everybody is too scared. But then, one girl makes a choice to stand up and stop it and her actions have a ripple effect across the whole school.
27 roles, but can easily be adapted.