The relevance of the research problem is caused by the need to use various teaching methods and techniques in training students majoring in pedagogical specialties while implementing the competency approach in education. Information about the technology of critical thinking development (CTD) in future teachers training is limited, and the conclusions about its effectiveness are contradictory. The article aims at justifying the application of this technology in training future Life Safety teachers for development of their general cultural and pedagogical competencies. The article describes the experience of the educational program actualization in accordance with the Federal State Education Standard (FSES) to enhance the formation of professional competence of future teachers. The article analyses the results of implementing active education elements and techniques of CTD in different types of contact and independent work within a single module for bachelors' training (44.03.01 Pedagogical Education, Life Safety profile). Graduates use these techniques and methods successfully in their in their professional activity. The article is of practical value to educational activities managers, teachers of higher and secondary education, and Life Safety teachers.