Full-time college students, undergraduates and graduate students. Full-time adult college students and undergraduates. Students who have completed the CET-4 can apply for CET-4.

Candidates who have completed CET-6 and passed CET-4 can apply for CET-6. College students or graduate students with the same level can sign up for CET-4 and CET-6 with the consent of their school. Students studying at the same level of night university or correspondence university can sign up for CET-4 and CET-6 with the consent of their school.