Behavior is defined as the manner in which one conducts oneself or the way someone acts or behaves. School staff have been known to say, “He had a behavior.” It is an ironic statement because every action is a behavior—good or bad. In reality, they mean the student showed bad or unacceptable behavior. At istapthis site you can learn ideas and strategies to help student improve their social and academic behavior, turning bad behavior to good or great!