This paper was aimed to analyze Islamic education teachers’ content knowledge of matters related to Islamic law. A cross-section survey research was conducted on twenty Islamic education teachers in several schools in Yogyakarta City pursuing master study in Postgraduate Program, Faculty of Islamic Studies, Islamic University of Indonesia. Respondents can be characterized as teachers with civil servants status, having minimum of five years teaching experience, mostly active in social mass organizations.
The result shows that respondents have relatively low familiarity with sources of Islamic law, especially the classical ones. Other result also indicate low content knowledge in teachers about matters related to Islamic law, especially in economics and heredity. From the results, the research suggests a more active role in both government and higher education institutions to contribute in improving teachers’ knowledge. Contributions proposed can mainly be formed in training of teachers and creating useful website with Islamic education contents for their teaching sources.