This study compares the result of 2011 NAEA Korean test between6 graders’ cohort and students with multicultural background. It alsoanalyses the result of the Advanced students within the groups. In thisstudy, students with multicultural background are divided into 3 groups. First one is a group of students are born in Korea and either of parentsis non-Korean. Second one is a group of students are born & brought upabroad and either of parents is non-Korean. The last one is a group ofstudents with both parents being non-Korean. NAEA stands for NationalAssessment of Educational Achievement and it’s Korean test was a censustest for 6 graders in elementary school in 2011. According to the result ofNAEA tests, students are grouped into 4 levels such as Advanced, Proficient,Basic, Below Basic. The Advanced group represents highest level ofeducational achievement. The result of analysis shows that generally multicultural students’correct answer rates to each item of the test were lower than the cohortand especially they had more to improve in reading, writing, grammar,and literature than listening. However, the Advanced group in multiculturalstudents generally showed similar level of correct answer rate to thecohort.