Teacher: “Suppose there were a dozen sheep and six of them jumped over a fence. How many would be left?” Boy: “None.” Teacher: “None? You don’t know your arithmetic!” Boy: “Teacher, you don’t know your sheep. When one goes, they all go!”

Johnny's father: "Let me see your report card." Johnny: "I don't have it." Johnny's father: "Why not?" Johnny: My friend just borrowed it. He wants to scare his parents."

A High School English Teacher reminds her class of tomorrow's final exam. She tells the class that there would be no excuse for not showing up, except for a serious injury or illness, or a death in the student's immediate family. One smart-ass jock in the back of the room asks, "What about extreme sexual exhaustion?" The entire class does its best to stifle their laughter and snickering. When silence is restored the teacher smiles sympathetically at the student, shakes her head, and sweetly says, "Not an excuse. You can use your other hand to write with."

Teacher: Where are the Great Plains located? Tommy: At the great airports!

Teacher: "I will call your parents!" Elementary student: "No! I’ll be a good boy!" Junior High School Student: "Pffff… Anyway…" High School Student: "Send my mother my greetings!"