Objective - The aim of paper is to investigate whether traditional management, is the Islamic boarding school has implemented the Islamic Corporate Governance Methodology/Technique - This research is a qualitative study using case study. Key Informant in this research is the General Secretary of Bahrul Ulum Foundation. The analysis technique used is the technique belong to Yin (2009) that divides three techniques for the analysis of case studies: the pairing pattern analysis techniques, the technique of making the explanation, the time series analysis technique. Findings - The findings indicate that in its implementation, corporate governance at Islamic boarding school based on the value of Tawhid. Furthermore, principle of transparency, accountability, responsibility, independence and fairness being the corporate governance principles at an Islamic boarding school. Research Implications: This study uses only one boarding school. Future studies are expected to examine more than one boarding school to obtain mixed results. Novelty - Based on the finding, the study suggests the ICG formulation will be found appropriate for every boarding school in Indonesia. Type of Paper: Empirical Keywords: Corporate Governance (CG); Bahrul Ulum Boarding School; Islamic Corporate Governance (ICG); Management; Organizational Structure. JEL Classification: G38, I21.