HSK (Chinese Proficiency Test) is the world's most authoritative Chinese test, in levels 1-6, widely recognized by Chinese universities and employers.

Choosing a level: 1-2 are foundation (150-300 words), 3-4 intermediate (600-1,200), 5-6 advanced (2,500-5,000+). Chinese undergraduate programs usually ask for HSK 4; graduate programs, HSK 5.

Registration: create an account on chinesetest.cn → pick a test center and date → pay online (fees roughly ¥200-400 depending on level and region) → print your admission ticket.

Format: paper or computer-based; listening, reading and writing sections, 1-2 hours total depending on level. Some centers offer the HSK Home Edition online.

Results and certificates: scores online in about 2 weeks; paper certificates arrive in 1-2 months. Certificates are valid indefinitely (some institutions want scores within 2 years).