This study aimed to develop the College Adjustment Scale, which reflected cultural characteristics of college education in Korea ,and to validate the scale. For these purposes ,the study first extracted preliminary constructs of college adaptation by reviewing related research and analyzing existing scales. The sample for this study included 820 college students in Seoul and three other provinces, and the data of 755 students out of the total sample were used in the analysis. The reliability of the final scale was tested using Cronbach’s alpha coefficients and the construct validity was examined through exploratory factor analysis and confirmatory factor analysis. The result of exploratory factor analysis presented the scale of 19 items from five constructs: interpersonal relations, academic activities, career preparation, personal psychology, and social participation. The reliability coefficient of the scale was good (alpha=.86). The fit indices from confirmatory factor analysis also showed the structural goodness of suggested constructs in the scale.