Relevance. The research is relevant as it evaluates the effectiveness of the case study method in developing professional competencies of future teachers in Kazakhstan, where this approach is underutilized. It addresses a gap in the current teacher training system by comparing the case study method with traditional teaching approaches and providing evidence for its potential benefits. Purpose. The purpose of this article is to evaluate the efficacy of the case study method in nurturing the professional competencies of prospective teachers enrolled in the �Foreign Language: Two Foreign Languages� educational program. Additionally, the study seeks to compare the effectiveness of the case study method with conventional teaching methods and put the developed cases to the test. Methodology. The research relied on empirical methods to assess the participants� initial and final levels of professional competence. Results. In the course of the pedagogical experiment, the case study method was employed to introduce the revised �Educational Psychology� course content. The aim of the course is the theoretical and practical mastery of knowledge about the psychology of educational activity, the relationship between learning processes, teaching, training, and education, as well as the formation of scientific psychological thinking, professional knowledge, and skills of future specialists in the field of educational psychology. Conclusions. Using the case study method in teacher training enhances professional competencies and increases motivation for learning. Research shows significant improvement in competencies among those taught using this method compared to traditional education. Keywords: higher education; future teachers; professional competencies; interactive technology; practice-oriented focus