Collaborative leadership is a strategic approach for strengthening educational quality in Islamic educational institutions. This study aims to describe the transformation process of the madrasah principals ollaborative leadership at MI Mojosari and its impact on improving the quality of educational services. The study highlights how the principal establishes synergy with teachers and engages internal madrasah elements to reshape community perspectives toward the madrasah. The results show that collaborative leadership is implemented through building a teamwork culture, developing shared program agendas, and integrating both academic and non-academic activities aligned with student needs. The implementation increases teachers participation in madrasah activities and enriches students learning experiences comprehensively. As a result, a previously less favored madrasah has transformed into an institution that attracts greater attention and trust from the community. The study concludes that collaborative leadership effectively drives improvements in educational quality and supports character development for students.