"When you go out at night and there are prefects about there is one way to stop them using the loco moto mortes spell on you, just when they are about to cast the spell use the expelliarmus spell to knock it back at the prefects and then run like hell." - Tom potter

"you get 10 house points if you find lost items from the message board" - potterprefect

"When you collect the famous witches and wizard cards and you've got to get one more (The last one) go and talk to dumbledore on the third floor outside his office and he will give you the last one. Hope this information helps you in the famous witches and wizard cards challenge. Good Luck." - Potter helper

"When a prefect is trying to catch you, put a spell on him before he does. You can also throw a stink pellot at him if he gets close enough. You can try moving around, too." - Sheyenne

"When you are trying to get past those nerdy Prefects, Cast a spell to distract them, But they will first look at where the spell hit a surface, But then they will look at the direction it came from (If you don't move fast enough,that means YOU." - SheShey