This research aims to; 1) to study the components of the school management model to promote thinking process skills of Watjamarom School under the Roi Et Primary Educational Service Area Office 2, 2) to study the current condition, the desirable condition, and the need for developing a school management model to promote thinking process skills of Watjamarom School, 3) to develop a school management model to promote thinking process skills of Watjamarom School, and 4) to study the results of using the school management model to promote thinking process skills of Watjamarom School, employing the four-phase research, Phase 1: Analysis of the components of the resultant system by seven experts, Phase 2: research present situations, ideal conditions, and development needs model for managing schools to encourage thinking process skills, data was collected using a questionnaire. 5-level estimation scale, the sample group used as administrators, teachers, and educational personnel, basic education institute committee chairman, parents, and community leaders, totaling 138 people, data analysis by means, standard deviation, Phase 3: creation of a school management model to encourage thinking process skills. This phase involves researching schools with management systems that encourage thinking process skills and best practices, and Phase 4: by implementing the established model in schools. The findings of the study may be summed up as follows:1. There are 6 components of the school management model to promote thinking process skills of Watjamarom School: 1) policies to promote thinking process skills, 2) executive leadership, 3) curriculum to promote thinking process skills, 4) teacher personality and teaching and learning management to promote thinking process skills, 5) student characteristics that promote thinking process skills, and 6) an environment that fosters thinking process skills, where peer-reviewed results were found to be the most appropriate.2. Watjamarom School,conducted a study on the school management model to promote thinking process skills, and the findings revealed that the overall desirable condition is at a high level.3. Watjamarom School management approach to thinking process skills together with; 1) management and policy implementation to promote thinking process skills into practice, 2) curriculum development that promotes thinking process skills, 3) learning management to promote thinking process skills, 4) the provision of an environment and a learning center that promotes thinking process skills, and 5) the aspect of developing student characteristics that promote thinking process skills. The model was evaluated by specialists, and the findings showed that it was appropriate overall at the highest level.4.. The results of applying the model revealed that; 1) overall, the management component and the implementation of policies to advance the application of thinking process skills were at the highest level, 2) the element of curriculum development that best fosters thinking process skills was present generally, 3) the evaluation outcomes for learning management to support thinking process skills were at the highest level overall, 4) the assessment's findings on creating a space and a learning environment that encourages the use of all thinking process skills were at the highest level, and 5) students' development of traits that support thinking process skills were at good and very good levels, which represented 88.31% of the total.