Abstract: Background and Objectives: Bullying is one of the problems of school children's adaptation and appears in various forms, such as; physical, psychological, sexual and electronic harassment. The objective of this study was to compare the social competence, anxiety and academic performance of bullying and non-bullying students. Materials and Methods: The statistical population of this research includes all male High School students in Khorramabad high schools in the academic year of 2017. The research subjects included 322 students who were selected by available sampling method. For data collection, social competence questionnaire, depression scale, anxiety, stress, bullying questionnaire and first grade semester were used as a criterion for academic performance. Data analysis was performed using multivariate analysis of variance and one variable. Results: The results showed that there was a significant difference between students of bullying and non-bullying students in terms of social competence and anxiety, but there was no significant difference between the students in terms of academic performance. The results of this study showed that the social competence of bullying students is less than non-bullying students and their degree of anxiety is higher than non-bullying students and there is no difference between them in terms of academic performance. Conclusion: The results of this study showed that increasing social competence and reducing anxiety in students could reduce their bullying.