You said yourself, she's doing all that precisely because it annoys the teachers. She wouldn't get anything out of it if they weren't trying to stop her. Moreo

You said yourself, she's doing all that precisely because it annoys the teachers. She wouldn't get anything out of it if they weren't trying to stop her. Moreover, she probably gets social encouragement from her classmates for doing things like this. Put her in an environment where the classmates made the rules, and now she's just a clown surrounded by people rolling their eyes.