The purpose of this study was to examine the dietary habits of boarding high school students in Gangwon based ongender and stress levels. Questionnaires were distributed to 571 boarding high school students and collected from 491students from June 28 to July 20, 2011. The statistical data analyses were completed using SPSS (ver. 19.0) for thedescriptive analysis, independent sample t-test and X²-test. The mean stress score was 23.7 out of 40, and male’s stress wassignificantly higher than female’s (p<0.05). The rates of having daily breakfast and dinner were significantly influenced bygender (p<0.01), and the regularity of lunch was significantly different depending on the stress level (p<0.05). Femalestudents consumed less flour based foods (p<0.01), carbonated drinks (p<0.01), juices (p<0.05) and functional drinks(p<0.01) than male students, but male students consumed less cookies and breads (p<0.01). Dietary habits that boardinghigh school students should improve were an unbalanced diet (38%), too much intake at once (17%) and prejudice againstfoods (11%), and their primary value in dietary life was preference (33%), followed by staving off hunger (18%) andpleasure (18%). The average level of interest in dietary life was 2.46 (on a Likert-type 3-point scale) and it was significantlyhigher for female students (2.53) than male (2.40) (p<0.05). About 54% of students washed their hands before a mealwhen they thought of it, but only 25% of students always scrubbed up. The regularity of breakfast and dinner, frequency ofsnack intake, dietary habits that need to improve, intrest in dietary life, and washing hands before meals showed significantdifference by gender but not by stress levels.