TEACHER: Why are you late?
STUDENT: Well, because class started before I got here.
Johnny: Teacher, can I go to the bathroom?
Teacher: Johnny, MAY I go to the bathroom?
Little Johnny: Okay, but I asked first!
Teacher: “What is the difference between ‘Tea’ and ‘Tee’?
Student: "The first one is a drink and the second is an incorrect spelling."
Teacher : Which is the oldest animal?
Student : The zebra.
Teacher : How come?
Student : Because it's still in black & white.