The Man in a Case, The Man in a Coat and The Man in a Tailcoat

Человек в футляре, человек в пальто и человек во фраке

An academic bore, a know-it-all, decided to teach everyone about life. But since the town is provincial, and his environment is school, children, and teachers, they will upend his value system, essentially teaching him about life. In other words, all the emotional baggage he carries works against him, but for the situation. His career won't take off at this school, but something will in his personal life.