Islamic Junior High School also known as Madrasah Tsanawiyah was introduced to the Indonesian education system to produce quality education. But in reality, the quality of education is still low. One of the reasons for this phenomenon is the performance of teachers which is below standard. One of the factors to elevate these standards is to improve the ethics of work culture. Work culture is a set of behavioral patterns that are inherent in almost every individual in an organization. Building a culture also means improving and maintaining positive sides. This study was conducted with Focus Group Discussion and interviews with teachers, leaders, school committees, staff and students from three different schools to see how the cultural values such as integrity, professionalism, innovation, responsibility and exemplariness were utilized. Based on the results, it was observed that the results were far from satisfactory. The reasons for this were lack of communication, limited human resources in the field of technology, and poor understanding of rules and applicable laws. Therefore, it is pertinent for the Ministry of Religious Affairs and Madrasah Tsanawiyah to work closely to ensure a good working environment is achieved.