This study aims to find out the internalization of multiculturalism values through Arabic teaching at Islamic senior high schools in Palu city Indonesia. The integration of multiculturalism values in learning materials is considered very important to create students’ moderate attitudes toward ethnicity and cultural differences in schools’ daily life. This study was carried out using a case study qualitative approach. Data were gathered through field observation, and in-depth interviews with the school principal, teachers, and students. Our study found that multiculturalism values were integrated through the Arabic curriculum, lesson plans, learning material, and students’ activities. The multiculturalism values were reflected in the students’ daily life in the forms of ethnicity diversity tolerance, respect attitudes, and moderate behavior. Our study contributes to the body of knowledge in multiculturalism studies and practices by providing a new direction to multicultural integration strategies at the school level. Future studies should focus on how the broader context of studies such as by involving more than one case.
Keywords: Arabic learning, Multiculturalism, Strategy, internalization