Abstract:  

Bullying in school is a significant problem worldwide and is one of the most common antisocial behaviors among adolescents and children. Despite implementing anti-bullying prevention programs in almost every school within the United States, Europe, and some initiatives in low-income countries, yet bullying is more pervasive problems in schools than any other problems. This chapter provides a review of research and evidence on school bullying: understanding the definition of bullying in school, and the size of the problem, the consequences of bullying, academic correlations, who is at risk, students? perceptions of bullying and the evidence school-based programs to reduce and prevent bullying