This study aims to describe aspects relating to bullying as causal factors, types, impacts, and strategies to prevent and resolve. Percentages of victims and perpetrators based on gender, age, and education level. Researchers utilized qualitative methods to collect and analyze data, according to Milles and Huberman. This research was conducted at 11 junior high schools and 11 senior high schools. The participants of this research were 53 informants. The results indicated that internal factors of bullying are psychological, physiological, intelligence and skills, identity, lifestyle, and religion. External factors are families, school and social environment, peers, legal base, media and technology, social and economic class, lifestyle, lack of communication, clothing, race, and experiences of victims. The types of bullying found are verbal, physical, bullying from media, sexual and relational bullying. Of those 5 types of bullying, verbal bullying is the most common.
Keywords: bullying, adolescence, student, achievement