This research is motivated by the critical importance of fostering religious tolerance from an early age within formal school environments to mitigate potential social friction in a pluralistic society. Educational institutions, such as SMP Negeri 5 Abiansemal, exhibit a dynamic heterogeneity of religious backgrounds among both students and educators. This study aims to examine: (1) the manifestations of religious tolerance among 7th-grade students, (2) the role of Hindu Religious Education and Character teachers in fostering this tolerance, and (3) the impacts resulting from the implementation of tolerance within the school. A qualitative approach with an observational case study design was employed in this research. Data collection involved non-participant observation, semi-structured interviews with key informants (the Principal, Hindu religion teachers, and students), and documentary studies. The gathered data were analyzed through data reduction, data display, and conclusion drawing, with data validity ensured via triangulation methods. The results indicate that: (1) Religious tolerance among 7th-grade students at SMP Negeri 5 Abiansemal is harmoniously manifested through associative social interactions and inclusive cooperation, regardless of differing beliefs. (2) Hindu Religious Education and Character teachers play a crucial role as educators (providing moral role modeling), instructors (applying contextual learning strategies through lectures and storytelling), and mentors (guiding moral reasoning based on the teachings of Tat Twam Asi). (3) The tangible impacts of implementing tolerance include a safe, low-conflict school climate, the growth of mutual compassion, and the comprehensive actualization of the Tri Hita Karana philosophy through its pillars: Parahyangan (daily religious activities), Pawongan (social-religious moderation), and Palemahan (ecological awareness).