Education

Knock knock. Who's there? Spell. Spell who?
What do you call a pencil that has two erasers?
How can you make 7 even?
What do you call a pool party with 26 letters?
What do librarians use as bait when they go fishing?
How many letters are there in the alphabet?
What color are all the books in the library?
What flies around the kindergarten room at night?
What do teachers do during summer break?
To whoever stole my copy of Microsoft Office, I will find you.
What happened to the Dean who lost his job?
What's the king of all school supplies?