AbstractThis research was conducted using the qualitative approach. Data collection was done using in-depth interviews, participatory observation. This study aims at uncovering the religious, economic, and educational roles at Ki Ageng Selo Islamic Boarding School. In religious affairs, the boarding school has portrayed itself as a spiritual guide for the people. The interaction between the boarding school and the community in economic development spawned economic independence in the boarding school. Education developed was traditional (salafi) Islamic education focusing on religion teaching in order to preserve of salafi values both tafaqquh fi addin tradition and the culture.AbstraksiPe­ne­li­ti­an ini di­la­ku­kan de­ngan pen­de­kat­an kualitatif. Pengumpulan data menggunakan wawancara menda­lam, observasi partisipatif. Pe­ne­li­ti­an ini bertujuan mengungkap peran ke­aga­ma­an, ekonomi, dan Pen­di­dik­an di Pondok Pe­san­tren Ki Ageng Selo. Da­lam hal ke­aga­ma­an, pe­san­tren ini telah memerankan diri sebagai pemandu spritual bagi ma­sya­ra­kat. Adanya interaksi antara pe­san­tren dan ma­sya­ra­kat da­lam pengembangan ekonomi melahirkan pola kemandirian ekonomi di pe­san­tren. Pen­di­dik­an yang dikembangkan berjenis Pen­di­dik­an sa­la­fi­yah yang fokus pengajaran agamanya sehingga terjaga nilai-nilai kesa­la­fi­yahan baik tradisi tafaqquh fi addin maupun kulturalnya.