This research was conducted to examine the solution to the problem of moral deterioration among students, especially in adolescence by internalizing moral values to students in the school environment through activities outside religious subjects in the classroom, such as through extracurricular programs. Therefore, the researcher chose the Extracurricular Islamic Da'wah Agency of SMK Negeri 5 Malang to be the object of this study. Some of the things that are researched in this study include what moral values are instilled in the extracurriculars, what are the stages of the internalization process and what are the results of the process. This research is a development of previous research that discusses similar problems and can be used as a reference for future researchers to develop ongoing research. This study uses a qualitative research method with the type of case study research. Researchers found that there are several moral values that are internalized to students through the extracurricular of the Islamic da'wah agency of SMK Negeri 5 Malang. These values are internalized to students through several activities organized by the Islamic Da'wah Agency of SMK Negeri 5 Malang. The results of the internalization process of the moral values of karimah are able to improve the quality of the morals of extracurricular internal students, even other students of SMK Negeri 5 Malang who do not participate in the extracurricular. This shows that the internalization process carried out is able to overcome the problem of moral deterioration that occurs among adolescent students.

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