The purpose of this study is to explore the relative influence of individual factors, parental factors, and school factors on career barriers perceived by multicultural adolescents. To this end, hierarchical regression analysis was performed using data from the seventh year of the Multicultural Adolescent Panel Survey (MAPS) conducted by the Korea Youth Policy Institute. The main results are as follows. First, as individual factors of multicultural adolescents, self-esteem, life satisfaction, achievement motivation, career attitude (determination), and career attitude (preparation) showed negative correlations with career barrier perception. Second, the parental factor showed a positive correlation with career barrier perceived by multicultural adolescents with parenting attitudes (neglect), maternal career-related behaviors (interference), and maternal career-related behaviors (lack of involvement). Third, the school factor is the experience of bullying. The relationships with school peers and with teachers were statistically significant. For both (a) whether the student experienced group harassment and (b) the more often they experienced group harassment, the higher the perception was of career barriers. The more positive the relationship with school peers and the relationship with the teacher, the lower the perception was of career barriers. This study suggests that career education and programs considering multicultural characteristics are needed for career intervention in order to lower career barriers perceived by multicultural adolescents by confirming the difference in career barriers perceived by multicultural and non-multicultural adolescents.