Chinese Proficiency Test (HSK), an international standardized test of Chinese language proficiency,assesses non-native Chinese speakers’ abilities in using the Chinese language in their daily, academic and professional lives. HSK consists of six levels, namely HSK (level I), HSK (level II), HSK (level III), HSK (level IV), HSK (level V), and HSK (level VI).

Youth Chinese Test (YCT),an international standardized test of Chinese language proficiency, assesses the primary and middle school students' abilities to use Chinese as second language in their daily and academic lives. The writing test consists of four levels, namely, YCT (level I), YCT (level II), YCT (level III), and YCT (level IV).