摘要:AbstractScholars develop various models for managers’ competencies and organizational researchers conduct researches on this domain to help policy makers for selecting and assigning the most competent candidates for management positions. This also implies for principals as the managers of educational organizations. By considering the rapid changes in the educational organizations, the identification, modelling, conational analysis, evaluation of approaches and models on the basis of competencies seems to be undeniable needed competencies for principals. In order to find the most important competencies for them, the existed research reviewed 35 competency models, prior to focusing on 8 main competencies containing communications, team management, leadership, creativity, planning, decision making, problem solving and decisiveness. They were assumed to be necessary for all principals across the world in general. Results clearly showed that among the models, principals need the most to three competencies: communication, team management and leadership, while at the least they need to decision making.