The Hidden Curriculum in The Field of Attitude and Values - A Case Study Abstract The hidden curriculum is that set of implicit messages relating to knowledge, values, norms of behavior, and attitudes that learners experience in and through educational processes . This study is administered to find out what kind of hidden curriculum Police Education in Turkey has except for the official curriculum. The hidden curriculum is a complex term thus, not easy to study. Both qualitative and quantitative methods are conducted in this research and designed as a case study. The population was selected as follows: attitude questionnaires on school, profession, and branch were conducted to 574 cadets. A purposive sample was selected according to the values of questionnaires. As a third purposive sample, lecturers were selected. Data collection tools include Likert-scale type questionnaires which were developed by the researchers about the school, profession, and branch, letters written by cadet