The purpose of this study was to examine the current education issues in Korea by comparing instructional hours across countries. For accomplishing such purpose, a survey was conducted with 189 elementary schools, 94 middle schools and 42 high schools, 2010 OECD report was reviewed. Based on the research, the total number of instructional hours in elementary schools in Korea is around 610-710 hours, while the OECD average is around 760-810 hours, which is around 100-160 hours higher than that of Korea. In the case of middle schools, it is around 867 hours in Korea, while the OECD average is around 892 hours.