The purpose of this study is to describe madrasa quality management, implementation, quality management to improve accreditation and quality management barriers in improving MTs accreditation. Private Al-Amin Batu Tunggal. This type of research uses a qualitative research type where the data collection techniques are observation, interviews and documentation. The method in this study uses a qualitative research method, namely an approach that produces written or spoken words from people who are used as respondents. Quality management of education in MTs. Private Al-Amin Batu Tunggal If seen from the naked eye this Madrasa has not managed the quality management contained in it, caused by a lack of care and the lack of good learning facilities so that school management has not run as expected. In addition, the available land is limited so that the facilities and facilities are also limited. Quality management research in improving accreditation in MTs. Private Al-Amin Batu Tunggal is going well. After doing quality management research in MTs. Private Al-Amin Batu Tunggal is quite good, it can be seen from the work program of the madrasah principal and the collaboration and student achievements, but the madrasah accreditation is still C. The madrasah principal also forms a team that works together and has qualifications in their respective fields so that they are able to complete the National Standard Education well.

Accreditation is a special concern for a madrasa head because accreditation is a benchmark for good or bad quality in madrasas. This study intends to analyze how the leadership of a madrasa principal improves accreditation, this research was conducted at the Madrasah MTs Al-Hasana Medan. The method used in this study is a qualitative method with data collection techniques using interviews, documentation, and observation, while the validity of the data is carried out by reduction, display, and verification of research data. The results obtained are the stages in the accreditation process at MTs Al-Hasana Medan, namely preparation, implementation, and determination of accreditation. The principal's strategy in increasing accreditation is making work plans and programs, increasing professionalism, increasing student academic scores, developing student skills and potential, and conducting evaluations. Meanwhile, in leading the madrasah principal at MTs Al-Hasana Medan, he prioritizes deliberation, and democracy, involving all elements in the madrasa, prioritizing discipline and providing motivation.