TOPIK test is …

TOPIK, Test of Proficiency in Korean, is a written test designed to measure the ability of non-native speakers for expression and comprehension in the Korean language.

TOPIK test measures proficiency in reading, writing, and listening comprehension in the Korean language.  The test has three different levels: Beginner, Intermediate and Advanced.  Further accuracy is expressed through six grades, two matched to each level to evaluate proficiency.