Q: How does Albus get into Hogwarts? A: Through the Dumble-door.
Elves in school
Q: What do elves learn in school? Q: What do elves learn in school? A: The Elfabet.
Can a kangaroo jump higher than a house? Of course, a house doesn’t jump at all.
Ghosts as liars
Q: Why are ghosts bad liars? A: You can see right through them.
Q: What does a skeleton order at a restaurant? A: Spare ribs!
Mother: "How was school today, Patrick?" Patrick: "It was really great mum! Today we made explosives!" Mother: "Ooh, they do very fancy stuff with you these days. And what will you do at school tomorrow?" Patrick: "What school?"
Value of pi
Teacher: What is the value of Pi? Student: Depending on what pie. Usually is $12.99
What is a Mexican's favorite sport? Cross-country.