Ten things you should never do in a classroom.
1. Yell "BOO" at the instructor.
2. Run at an allergic teacher with Peanut Butter Cookies
3. Threaten anyone, in any way, or even draw them as 'SATAN'.
5. Call someone on your cell phone
6. Do the Nasty.
7. #6 with the Teacher.
8. #6 with the Teacher AND the Principle