So far, most studies on blended-learning have been verified its effectiveness based on corporate education, and practice strategies on blended-learning have also been focused on corporate education in general. Compared to corporate education, blended-learning in school education has not been able to verify its effectiveness and practice strategies; therefore, this study has its significance as a basic research for acceptance and diffusion of blended-learning at a university education level. The purpose of this study is to understand how blended-learning is being accepted to learners and instructors, in particular as educational subjects among members of the university. For this study, the overall class management and institutional system of blended-learning classes which are being practiced at a domestic A university has been analyzed. Also, we conducted a survey for learners taking blended-learning classes about the class situation, class satisfaction, and needs for class improvement, along with a written interview for the instructors of blended-learning classes to analyze their opinions about the class management and effectiveness. This study tried to search for the possibility of diffusion of blended-learning at a university level and make suggestions for the effective class management of blended-learning.