Paper Title
The Management Model of quality Secondary School under the Jurisdiction of the Secondary Educational Service Area Office Phetchabun

Abstract
The purpose of this research was to develop and examine an administrative model for quality secondary schools under the Phetchabun Secondary Educational Service Area Office. The population was 39 directors, and 51 deputy directors from 39 secondary schools under the Phetchabun Secondary Educational Service Area Office in the academic year 2022. The sample group were directors, deputy directors and teachers from 39 secondary schools under the Phetchabun Secondary Educational Service Area Office in the academic year 2022: 32 were directors and 48 were deputy directors. It was found that Leadership and Constancy of Purpose refer to indicators that show how organizational management groups implement quality improvements in their work processes. The sub-criteria are: how management develops, mission, vision, values and ethics. Management by Processes and Facts means designing, managing and improving processes to drive satisfaction and create added value for customers and stakeholders. The suggestion is to continuously promote the development of teachers and school personnel. They must be encouraged to attend training sessions, seminars and field trips to increase their knowledge and experience in keeping up with the events, progress and changes of the world. Keywords - Management Model, Secondary School, Education Management