International Journal of Humanities and Social Science Research

Authors
Samsul Bahri, Darwin Surbakti

Abstract
Educational sector in the twenty first century is very challenging. It needs a continuous research and development of human resources and facilities. This research paper aims to find the model and the best strategy in adherence to the process and achieving the goals of education. Quality development management model in public and private high schools in Municipal of Medan, Indonesia were used as the subjects of this research. With the Research and Development (R&D) Methodology, the research activity initiated a phase of identification; then the development blueprint model and management strategy phases. Those processes were based on the development of quality in high school level. The results of quantitative analysis showed that simultaneous, R-square value of 0857 showed a significant effect of leadership principal (LP), school culture (SC) and teachers competency (TC) on the Quality of Education Processes (QEP). This Research and Development provides an innovative strategy and model that could serve as the basic concept for developing the educational system in the twentieth century challenges.