Purpose of the study: The research is aimed at determination of the competitiveness level of teachers with different experience in pedagogy and different level of education, and at establishing of a connection between content components of competitiveness and full teacher’s self-realization in his/her professional activity. Methodology: The main methods include experimental research which allows comprehensive analysis of the issue of pre-school teachers competitiveness improvement; theoretical and methodological analysis of the subject and the problem of the research that is based on the studying of scientific literature and its logical compilation; empirical methods (analyses of documents, testing), plus mathematical-statistical and interpretative methods. Results: The article presents the empirical research of the competitiveness of pre-school teachers and the system for improvement of their competitiveness. The adequacy of psycho-diagnostic methodologies for research of competitiveness levels of pre-school teachers is proved, the interconnection between the competitiveness level of teachers and various experiences of pedagogical activity and the level of education is established. Applications of this study: The results of the study will be useful for developing educational strategies in the preschool education system, they can help pre-school education leaders creating social-psychological-pedagogical conditions for the effective interaction of all subjects of the educational process as well as for the full realization of the individual in the modern educational process and improving individual efficiency. Novelty/Originality of this study: The results of the empirical study show that the applied set of psychodiagnostic methods turned out to be reliable and valid tools that ensured the goals achievement: the level of competitiveness of teachers with different lengths of pedagogical activity and level of education was determined, the relationship between the content components of competitiveness and full self-realization of a teacher in professional activities was determined based on prioritizing social and psycho-pedagogical characteristics of the person.