From Mrs. Krabappel on "The Simpsons" to Mr. Kotter from "Welcome Back Kotter," check out some of the most memorable TV teachers.
Mr. Kotter from "Welcome Back Kotter," played by Gabe Kaplan
Julie Denesha/Getty Images
Boy Scouts of America
Pete Souza/The White House
Frederick M. Brown/Getty Images
Dimitrios Kambouris/Getty Images
Larry Busacca/Getty Images
Vittorio Zunino Celotto/Getty Images for Kering
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