Jokes about school and little johnny

Teacher: "Johnny, what is the outside of a tree called?"
Johnny:

A teacher is teaching a class and she sees that Johnny isn't paying attention, so she asks him, "If there are three ducks sitting on a fence, and you shoot one, how many are left?" Johnny says, "None." The teacher asks, "Why?" Johnny says, "Because the shot scared them all off." The teacher says, "No, two, but I like how you're thinking." Johnny

The teacher brings a statue of Venus into class and asks, "What do you like best about it, class? Let's start with you, Robert."
"The artwork," says Robert.
"Very

Teacher: Johnny, you know you can't sleep in my class.
Johnny: I