This document summarizes several theories of classroom management including Choice Theory by William Glasser, Student Directed Learning by Alfie Kohn, Behavior Management Theory by B.F. Skinner, and Assertive Discipline by Lee Canter. It also discusses the differences between classroom management and discipline management as well as preventative theories proposed by educators like Carl Rogers and Jacob Kounin. Theories are summarized in 2-3 sentences describing the main ideas and strategies proposed by each theorist.