Abstract performance appraisal improvement objectives, improvement principles and improvement methods, and put forward improvement countermeasures and opinions. The results of the study showed that in the performance appraisal management of DW Middle School there is firstly, misplaced traditional appraisal concept and low participation of teachers. Second, teachers and school leaders lacked communication about performance appraisal results and the use of performance appraisal results. Third, the performance appraisal formulation lacks democracy and teachers lack initiative. Fourth, neglecting the construction of the performance appraisal system hinders school development and other problems. The performance appraisal system is established through the balanced scorecard and hierarchical analysis, and the performance appraisal index system applicable to front-line teachers and administrators is established from the student dimension, teaching dimension, learning and growth dimension, and financial dimension, which includes improved appraisal indexes and index weights. Finally, suggestions and countermeasures were made to increase the propagation of performance appraisal concepts, enhance staff appraisal participation, establish a performance appraisal monitoring mechanism, determine a performance appraisal index system, develop an effective performance appraisal plan, build a professional performance appraisal organization team, and use an information management system to collect appraisal process materials. We will improve the performance appraisal system of DW Middle School from the perspective of teachers, students, students# parents, school and society, stabilize the teachers# team, improve the performance appraisal management of DW Middle School, and enhance the human resource management and communication of the school. 【Key Words】 DW High School; Program Improvement;