This study aims to describe 2 main things, namely the development of educational institutions at the Mambaul Huda Sumberurip Siliragung Banyuwangi boarding school. (2) The policy of the pesantren leadership in developing educational institutions at the Mambaul Huda Sumberurip Siliragung Banyuwangi boarding school.This research uses a qualitative method as for the reason the research uses qualitative methods because in this study, the researcher is also an instrument in collecting data about the leadership policy in developing educational institutions, so the researcher has a very large role, because what happens during the research needs further description in writing the report. From the data obtained and the analysis carried out, it can be concluded that: (1) The development of educational institutions in the Mambaul Huda Islamic boarding school has been fairly developed from previous years due to the increasing number of students, the increase in institutional buildings and business fields. (2) The policy of the pesantren leadership in developing educational institutions at the Mambaul Huda Islamic boarding school, namely still maintaining religious learning which is still religious in nature.