Abstract T his study aimed at exploring the degree Educational supervisors practice of Needs-Based Supervision in the Directorate of Education in Mafraq from the point of view of science teachers The study also aimed at exploring the differences in the average response of individuals in a sample according to the following variables: gender, years of experience. In order to achieve the objectives, set out in the study, a descriptive approach was used. A scale of 49 items was developed and administered to a sample of 80 science teachers. Data collected from participles was analyses by SPSS. The findings of this study were as follows:  the degree Educational supervisors practice of Needs-Based Supervision in the Directorate of Education in Mafraq from the point of view of science teachers was found to be high. no statistically differences at (α ≤ 0.05) in estimates of the sample of the study about, Educational supervisors practice of Needs-Based Supervision in the Directorate of Education in Mafraq from the point of view of science teachers favor of gender, years of experience variables Base on findings some recommendations were made as follows: The need to Determine the appropriate tools for assessing students' skills, encourage them to use multiple methods and tools for evaluation, training them to prepare for professional exams