Objectives: This study was to measure the level of students' perception of Islamic education and parental concern, and to analyze the influence of these two variables on bullying prevention efforts in grade XII students of SMA Negeri 2 Wonogiri. Theoretical framework: This research is based on the concept of Islamic education as a shaping of morals and social behavior, as well as the theory of the role of parents that emphasizes the importance of family attention in shaping character and preventing negative behavior in children. Literature review: This study is supported by KPAI data, which shows high cases of bullying in schools, as well as previous research that states that family factors and religious values influence the social behavior of adolescents. Methods: This study used a quantitative approach with a questionnaire to 204 students, then analyzed using the F test to see the simultaneous effect and the determination coefficient (R²) test to determine the magnitude of the contribution of the variable. Results: The study shows that Islamic education and parental care simultaneously have a significant effect on bullying prevention, as evidenced by the calculated F value of 11.455, which is greater than the F of table 3.04. In addition, the determination coefficient value of 0.559 showed that the two variables contributed 55.9% to the prevention of bullying in students. Implications: This study emphasizes the importance of strengthening religious education in schools and parental involvement at home as an effort to prevent bullying in students. Novelty: this study lies in the combination of Islamic education factors and parental concern in one analytical model to explain bullying prevention in high school students.