If my dorm has four floors, I can propose this to the other RCs as a joint project. Otherwise, I can split it among the floor. Use a quiz to determine house? Or do it randomly. Probably randomly is best so I can even out the numbers.
Use this Harry Potter themed Daily Prophet form to showcase your "Muggle of the Week"! I like to let my students bring items from home to place beneath the "Muggle Studies" board (which also has our class norms/rules). I am thinking of placing other