When were King Arthur's army too tired to fight?
When they had lots of sleepless knights!

How do bees get to school?
By school buzz!

How did you do in your tests?
I did what George Washington did!

Teacher: I hope I didn't see you looking at Fred's test paper.
Pupil: I hope you didn't see me either!

Teacher: You copies from Fred's exam paper didn't you?
Pupil: How did you know?
Teacher: Fred's paper says "I don't know" and you have put "Me, neither"!

What was Camelot famous for?
It's knight life!