In Turkey, the preparation process for the university entrance exam gives rise to the centres of private courses known as “dershane” which is the Turkish counterpart of cram schools. Dershanes has significant impact on high school education. Sure, people who directly feel positive or negative reflections of this impact are high school teachers. The purpose of this study is to investigate high school mathematics teachers’ views on cram schools. To this end, a questionnaire consisting of open-ended questions was administered to 28 teachers from different high school in Anatolian side of Istanbul. Data were analyzed and interpreted by using document analysis as a qualitative research method.Some of the important r...