The article is dedicated to leadership in the school system organizations preschool and school education. Bulgarian schools and kindergartens are in terms of reforms and strive to develop the quality of education and achieving high quality in all areas related to the educational process. They receive an increasing degree of autonomy that requires strategic management and leadership in organizations. The purpose of this article is to review the characteristics of leadership in the new conditions of decentralization and autonomy for the Bulgarian educational institutions that operate in dynamic, uncertain and competitive environment, and neobhodmostta flexible management systems in these conditions. The article examines the main points of the new regulations in the Bulgarian legislation related to reform of the educational system. Based on SMART-management concept developed by Peter Drucker, outlines the dimensions of the SMART-leadership, in line with new requirements for educational institutions in Bulgaria The article presents results from a study designed to determine how the dimensions of the SMART-leadership present in Bulgarian institutions in the system of schools and preschools. The study was conducted by anonymous poll among teachers and principals of kindergartens and schools. The results show good prospects for the development of modern forms of management in educational institutions in Bulgaria - self-leadership style of management, teamwork involving all stakeholders, positive and collaborative environment.