Students who are being bullied may exhibit certain warning signs such as damaged belongings, unexplained injuries, having few friends, not wanting to go to school, being sad or moody, and complaining of physical problems. Students who bully others tend to have a positive view of violence, want to dominate others, lack empathy, and may engage in risky behaviors. Teachers can address bullying by setting clear rules, rewarding good behavior, listening to reports of bullying, notifying parents of incidents, and holding class meetings. Administrators should assess bullying levels, train staff, enforce rules, increase supervision, and consistently intervene in bullying situations.