The purposes of this study were 1) to identify gender differences of high school student`s uniform satisfaction, clothing interests, and self-concepts among high school students and 2) to examine the relationships among self-concepts, clothing interests, and school uniform satisfaction. The questionnaire was distributed to 832 high school students, male and female, in Kangwon Province. Data were analyzed by frequency, t-test, and Stepwise Multiple Regression Analysis. The results of this study were as follows: There was no gender difference on self-concepts between male and female high school students. However there were gender differences on clothing interests and school uniform satisfaction between male and female students. Results provided implications for high school uniform and adolesent clothing.