This paper discusses implementing the Islamic learning approach model in Jembrana-Bali's case study in State High School (SMAN) 1 Jembrana. This paper explores the effectiveness of multicultural learning models used in Islamic religious education learning. Multicultural learning model creating harmonious interaction. Furthermore, the integration of diversity understanding between Hindu and Islamic students aims to peaceful practices in the educational environment. Data sources were obtained through unstructured observations and interviews from July to September 2019. The result showed that the learning process of Islamic religious education with a multicultural approach forms the character of students, both Hindu and Muslim, to be humanist, tolerant, and inclusive. In shaping character and fostering understanding diversity, the learning approach used is the contribution approach, additive approach, and the decision making and social action approach proposed by Allison Cumming-McCann. The interaction of students in SMAN 1 Jembrana, both Hindus and Muslims, aims to acculturation and enculturation of two different religions and traditions.