Abstract: The objectives of this study were to develop the working system, the Office of Mahasarakham Educational Service Area 2, facilitating the educational management support of schools and to evaluate and reflect the system usage of staffs and educational personnel. The target group included 83 staffs working in the Office of Mahasarakham Educational Service Area 2 during 2007-2008 school year. The informant group consisted of 263 school administrators in the area. There were 4 phases of research methodology: development in work system of the office by the leading team of office; development in understanding of system for the office staffs; development in awareness for school administrators and trying out and system evaluation. The research methodology included the workshop, supervision and follow up and sharing. The research instruments using in this study consisted of the minutes and observation. Data analysis were presented in descriptive form.