Quality System Management Model to the Secondary School under World- Class Standard is a part of the study and development of the research that is intended to be 1). Study literature and documents related to school quality management under World- Class Standard Project 2) development of high school quality management models under World- Class Standard Project by studying the literature, related documents, and reporting documents. School quality system in the World- Class Standard Project under the Office of the Basic Education Commission. In Bangkok, Thailand The number of 52 schools to synthesize the elements of quality management by using qualitative data analysis: content analysis and analysis techniques comparing the same and different issues. Link create conclusion and create a form of development and elevate the quality of school under World- Class Standard Project so that schools in the project have a form of development and elevation. Quality is consistent with their context and appropriate in the application of the quality management of the school and elevate the quality to the next level.