摘要：AbstractThis research was aimed to study the development model of school's achievement under the office of Khonkaen Primary Educational Service Area Zone 4. The purposes of this research were to study the following: (1) the current conditions, problems, developed needs and suggestions about the academic achievement of the schools (2) the development model of the school's achievement, and (3) the development of the results of the school's academic achievement. The research study had undergone processes which were divided into four stages including: phase 1 studied the school's achievement; phase 2 developed the achievement model; phase 3 utilized the development model (Application); and phase 4 evaluated the development model (Evaluation).The findings of the study were the following:The current conditions, problems, needs assessments and suggestions found that the management of the school that affect the school's achievement was at a high level. The elements or factors that affect to the school's achievement included the students, the teachers, the administrators, the parents and the school environment as well. Needs and guidelines in the development of the school achievement were found as the following: 1) Making a project to develop achievement of schools with a 5-star policy (the third star: to enhance the achievement);2) Operations in accordance to the achievement development projects of the school; and 3) Directing, supervising, and monitoring the implementation of the achievement development projects of the school periodically and continuously.The achievement development projects of the school under the office of Khonkaen Primary Educational Service Area Zone 4 contained three parts: the five-star policy, implementation strategy of the achievement development, and the third consists of monitoring and supervision, monitoring and evaluation.The effects of the achievement development of school found that grade 6 and grade 9 had increased the achievement of the Education Testing Service national basic (O-NET) in academic year 2011 over academic year 2010 in all learning strands. Also, the compared results of mean of the national educational testing results (O-NET) of the grade 6 and grade 9 students in the academic year 2010 and 2011 were significantly different at a statistically .01 and .05.
