21. Beater's bats are not to be used as chopsticks. (Seriously, that's disgusting.)

22. Dressing up as You-Know-Who for Halloween is forbidden. (We're still trying to calm down those first-years.)

23. No eating parchment. (Okay, who is this phantom eater? We need to get you evaluated.)

24. Fireworks do not belong under toilet seats. (Mr. Malfoy is still afraid to use the Hogwarts bathrooms.)

25. Making trash cans look like Professor Binz is against school rules. (A good pun, though.)

26. Whoever keeps rearranging the tables in the Great Hall, we will find you.

27. If you slide down the banisters, you will fall and bust your head open. Madam Pomphrey will not be pleased.

28. The "sirius" pun is banned in my presence. That joke isn't funny anymore, kids.

29. Calling Draco Malfoy by Harry Potter's name will result in a trip to the hospital wing. (Who thought that was a good idea?)

30. Leaving an extra large bottle of Shampoo on Professor Snape's desk is ill-advised. He will hurt you.