Bullying merupakan salah satu bentuk kekerasan yang kerap terjadi di lingkungan sekolah dan berdampak serius terhadap kesehatan mental peserta didik, terutama pada jenjang sekolah dasar. Perilaku perundungan sejak usia dini berpotensi menimbulkan gangguan psikologis seperti kecemasan, depresi, serta penurunan kepercayaan diri. Kegiatan pengabdian kepada masyarakat ini bertujuan untuk meningkatkan pemahaman siswa dan guru di SD Negeri 18 Pudung, Kecamatan Ampek Nagari, Kabupaten Agam, mengenai dampak bullying terhadap kesehatan mental serta strategi pencegahannya. Metode pelaksanaan kegiatan menggunakan pendekatan edukatif dan partisipatif melalui sosialisasi interaktif yang didukung oleh media visual, diskusi, serta sesi tanya jawab. Hasil kegiatan menunjukkan bahwa sebelum sosialisasi dilaksanakan, tingkat pemahaman sebagian siswa dan guru terkait bentuk dan dampak bullying masih tergolong rendah. Setelah kegiatan berlangsung, terjadi peningkatan kesadaran, pemahaman, serta perubahan sikap siswa terhadap teman sebaya yang sebelumnya menjadi sasaran perundungan. Temuan ini menunjukkan bahwa edukasi langsung yang dilakukan secara interaktif dan partisipatif efektif sebagai upaya preventif dalam menekan perilaku bullying serta menjaga kesehatan mental siswa di lingkungan sekolah dasar.
Bullying is a form of violence that frequently occurs in school environments and has serious impacts on students’ mental health, particularly at the elementary school level. Bullying behavior from an early age has the potential to cause psychological disorders such as anxiety, depression, and decreased self-confidence. This community service activity aims to enhance the understanding of students and teachers at SD Negeri 18 Pudung, Ampek Nagari District, Agam Regency, regarding the impact of bullying on mental health and strategies for its prevention. The activity was implemented using an educational and participatory approach through interactive socialization supported by visual media, discussions, and question-and-answer sessions. The results indicate that prior to the socialization, the level of understanding among some students and teachers regarding the forms and impacts of bullying was relatively low. After the activity was conducted, there was an increase in awareness, understanding, and positive changes in students’ attitudes toward peers who had previously been targets of bullying. These findings demonstrate that direct education conducted in an interactive and participatory manner is effective as a preventive effort to reduce bullying behavior and to maintain students’ mental health in elementary school environments.