A smart, smart school

"Mr. Keene, runs a fine, fine school. He encourages his students to express themselves through the creative arts: drawing, painting, reading, and singing. Then Mr. Keene's appendix bursts, and he's rushed to the hospital. A new principal named Mr. Tatters arrives to take his place, and he is a serious man. He does not smile, he does not laugh, disapproves of their creative methods of learning, and immediately implements a policy of daily tests, b...