The quality of educational system specially in general education, ultimately depends on the quality of teachers of that community. This research aimed to identify the Communicational competencies of secondary school teachers. Research method is descriptive, qualitative research based on grounded theory. The research statistical population have been various groups such as qualified teachers, students, parents, educators and experts of training that interviews to saturated limit were performed with them by using purposive sampling. According to research findings, Communicational competencies of secondary school teachers includes effective connection with students, parents, colleagues and society. Finally, behavioral indicators were estimated according to the codes obtained through interviews and also use of MBTI personality test tools for each of the competencies, according to four dimensions of competency.