What school supply is always tired?
A knapsack!
What’s the difference between a teacher and a steam train?
The first goes “Spit out that chewing gum immediately!” and the second goes “chew chew”!
What is white when its dirty and black when its clean?
A blackboard!
The teacher of the earth science class was lecturing on map reading.
After explaining about latitude, longitude, degrees and minutes the teacher asked, "Suppose I asked you to meet me for lunch at 23 degrees, 4 minutes north latitude and 45 degrees, 15 minutes east longitude...?"
After a confused silence, a voice volunteered, "I guess you'd be eating alone."
Teacher: Could you please pay a little attention?
Student: I'm paying as little attention as I can.
A man in a hurry taking his eight-year-old son to school made a turn at a red light where it was prohibited.
"Uh-oh, I think I just made an illegal turn!" the man said.
"It's okay, Dad," the boy said, "The police car right behind us did the same thing."
Q: What object is king of the classroom?
A: The ruler!