In the article author analyzes the development of psychological culture as an important task of the professionalization of high school psychologists. The following conditions of the psychological culture development are highlighted: professional situations modeling; usage of interactive methods; student-centered approach to learning; organization of environment, which enables communication and collaboration of students, reflection and creativity. The content of the course “Diagnostics of coping with difficult situations” designed by the author is presented. Goals and forms of knowledge control are determined, the content is presented. Practical classes techniques are described in detail: a) methods of interactive work for the assimilation of the theoretical material; b) reacting when there are difficulties in understanding of the educational information; c) the organization of joint activities and communication of students; d) polylogue when analyzing the results used in the workshop techniques; е) ways to increase reflection. The effects of the used methods are discussed. The results of the course based on feedback from students, the dynamics of the perception of a difficult situation are analyzed. The results of the course are related to the criteria of psychological culture