It is predicted that the future society will be low populated of the school-age but high populated of the elderly, intelligent information centered, and multicultural society. According to these changes of the society, it is time for education to shift to preparing for a future education system rather than growth from competition. Based on this perspectives, this study aims to explore the tasks of the future education by analyzing domestic and international cases of educational innovations. Specifically, this study suggests several practical tasks that general high schools can implement for the future education, analyzing the selected cases contributed to the educational innovation. This is because the cases of educational innovation are the stepping stones for general high school to move forward to the future education, although the cases are not perfect examples.