Model Principal (aka This Year's Principal) - S3.E19

A tearful Ren can hardly believe it--Principal Wexler is leaving his job at the school! What's more, he's going off to pursue a career as A MODEL! Louis and Twitty are extremely pleased with themselves, since it was their doings that gave Wexler the idea he could be a successful model. Now the new man in the job will be Vice-Principal Landau, a real soft touch who's mostly interested in performing magic. For a while everything goes the way the boys want it and the school is in total chaos. That's when Ren goes to Mr. Landau and convinces him to crack down, saying there are other ways to do it besides screaming and yelling at students, which he's not good at. So Landau comes up with an idea to make the students wear ""Scarlet Letter""-type signs around their necks for every infraction of the rules, from ""I Am a Troublemaker"" for Louis to ""I Am an Eye-Roller"" for Tawny!

Louis asks Ren for help in stopping Landau's new policy, but she doesn't have much sympathy until she notices that every