The aim of this research is to identify the degree of the educational supervisors' practice of their roles according to their professional competencies from the point of view of key stage one teachers in basic education. In order to achieve the aim of the research, the descriptive method was used. A random sample was drawn from the key stage one teachers in basic education in Homs. The sample number was (255) teachers. The researcher prepared a questionnaire consisting of (37) statements divided into three fields And applied to the sample.