Why does Voldemort prefer Twitter over Facebook?
Because he has followers, not friends- :p
How do you get into Hogwarts?
Through the Dumble-door
What's the BIGGEST problem in Hogwarts School?
Spelling errors-
Why is studying at Hogwarts confusing?
Students aren't sure witch-craft to choose
What mints does Hogwarts promote?
Enchant mints
Why is Fred not going into the Chamber of Secrets?
He's a-Fred-
I found this image-
I might edit this to add more jokes later-
Also sorry for the bad jokes- XD