This study analyzed the survey from 10,240 students who participated K-CESA during the first half of 2016(January ~ June) and the first half of 2017(January ~ June). And to grasp the situation by doing longitudinal analysis on individual background factors of college students’essential skills. The purpose of this study is to find out whether essential skills of students have difference in individual factors(gender, grade, department, high school, college admission method, career plan after graduation, latest average grade of all subjects, home economics, and financing method), and overcome the limitations of existing cross-sectional studies. In this study, college students’essential skills were discussed based on the results.