The research aims to determine the leadership levels the deputy principals feel, their perceptions of their personal features and the environment of the organization in which they demonstrate leadership role. In the research, case study method from qualitative research methods was used. The data were collected by one of the qualitative data collection tools; interviewing. The data were analysed with descriptive analysis techniques. The following results were obtained in the research: Deputy Principals consider themselves as leaders in terms of personal features and behaviours. The competencies of deputy principals in terms of leadership are; technical competencies, interpersonal competencies, conceptual and cognitive competencies. The aspects that deputy principals think that they need to improve and enhance are; human relations, determinedness, consistency, sensitivity, talkativeness and hurriedness. According to research results, it is found that deputy principals are of the opinion that schools have the centralist, inflexible, disaggregated, officialised and non-creative features of the organizational structure in terms of institution, culture, legislation and management.