AU - العامري، عدي كريم رحمان. AB - This research was conducted in Diyala province for the secondary schools in order to cover the work of the administration and the administrators in this field. The aim of the research was to investigate the role of collaborated administration on work development as an approach to improve the performance of employees in secondary school administration as well as the application extent that can lead to success. The sample of the study consisted of 20 respondents including principles and some high school teachers who were selected in a nonrandom manner. The used questionnaire consisted and distributed to the study sample and then recollected in order to achieve the goal of this study. The results were analyzed using an appropriate statistical method. The results showed the presence of statistically significant differences in the answers of the respondents, and for the following point: The administrative leadership understand and comprehends the teachers’ collaboration as an approach to improve the performance of employees in the management of schools. This indicates that they feel the importance of participation and the importance of the collaboration at work and thus it should be applied. The result also shows statistical differences in the application of the administration's participation elements of work, such as (planning, organizing, directing and controlling). These elements played an important role in the application of participatory management through the involvement of employees in the administration. In addition, it can improve management participation and improve the performance of employees in the secondary schools. Therefore, this study recommended giving a greater role for the collaborative administration as well as prepare continues courses to management and collaborative administration to the administrative staff in secondary schools to improve their performances. (Published Abstract) http://search.shamaa.org/abstract_en.gif ID - 119992 OP - ص ص. 227-243 T1 - الإدارة بالمشاركة كمدخل لتحسين مستوى أداء العاملين في إدارة المدارس الثانوية في ديالى [مقال] UL - 1 http://search.shamaa.org/fulltext.gif https://www.iasj.net/iasj/article/118146 النص الكامل (PDF)