AU - آل قريشة، فاطمة محمد AB - The present study aimed to identify the effectiveness of the professional development of the female advisor of students in improving the performance of female students (academic) and educational behavioral from the point of view of female teachers. The study population consisted of all teachers and administrative employees in the fourth secondary school in Najran region in Saudi Arabia in addition to the educational supervisors. A survey sample was taken due to the small and limited size of the community, to achieve the purpose of the study, the researcher followed the descriptive analytical approach and the researcher prepared a questionnaire as a tool for the study, it consisted of two parts, one to find out the effectiveness of the professional development of the student guide, and the other to identify the impact of this effectiveness in improving the level of students, in addition to a set of statistical methods including arithmetic averages, standard deviation and others. The results showed that (69.9%) of the respondents' responses indicated that professional development was high, and that (73.9%) of respondents said that professional development contributes significantly and effectively to improve the performance of students, as well as the absence of statistically significant differences on the level of effectiveness of the professional development of students' counselor in improving the performance of students. The most prominent recommendations rely in the preparation of the developmental and development programs for students' counselor which contribute to raise and improve the level of students' performance, follow-up and evaluation of the programs that have been implemented in addition to taking notes and feedback in this regard as well as the need to involve the target group of training (student counselor) in the design and construction of training and developmental programs. (Published abstract) http://search.shamaa.org/abstract_en.gif OP - ص ص. 63-83 T1 - فاعلية التطوير المهني للمرشدة الطلابية في تحسين أداء الطالبة التعليمي والتربوي [مقال] UL - https://www.ajsrp.com/journal/index.php/jeps/article/view/2203/2078 النص الكامل (PDF) 1 http://search.shamaa.org/fulltext.gif