<![CDATA[Introduction: Bullying among adolescents is a problem that can interfere with psychosocial development and contribute to an unsafe school environment. Bullying can occur in various forms and at different levels of severity. This study aimed to describe bullying behavior among junior high school adolescents in Pontianak City. Methods: This study used a descriptive research design with a quantitative approach. The sample consisted of 320 junior high school adolescents in Pontianak City who were selected using probability sampling through stratified random sampling. Data were collected using a bullying behavior instrument consisting of 10 questions with a Likert scale. Data were analyzed descriptively to determine the frequency distribution and percentage of bullying behavior levels. Results: The results showed that bullying behavior among adolescents was categorized as low in 7 respondents (2.2%), moderate in 77 respondents (24.2%), high in 129 respondents (40.3%), and very high in 107 respondents (33.4%). These findings indicate that most adolescents were categorized as having high and very high levels of bullying behavior. Conclusion: Bullying behavior among junior high school adolescents in Pontianak City remains at a level that requires attention, with the largest proportion of respondents classified as having a high level of bullying behavior. Recommendation: Schools should strengthen bullying prevention and management efforts through mental health education, strengthening the roles of teachers and peers, and creating a safe and supportive school environment that promotes healthy psychosocial development among adolescents.]]>
