Who gets a gold star? Best and worst teachers of TV and filmA scene from Welcome back, Kotter.Everett CollectionAug. 19, 2014, 12:15 PM UTCBy Samantha OkazakiSlideshow  21 photosBest and worst teachers of TV and filmFrom sassy Mis-tah Kot-tah on "Welcome Back, Kotter" to Cameron Diaz's sexy educator who just doesn't care in "Bad Teacher," school's always in session in Hollywood.Print