The minimum study period of junior high school is 2.5 years, and the minimum study period of junior high school is 5 years, that is, the official registration time from the Ministry of Education (generally 65438+March 0 days; Autumn is September 1). You will be promoted to undergraduate course for 2.5 years from junior college, and you can apply for graduation if you finish your studies within five years from junior college (excluding the time for issuing certificates). The longest study period in junior high school is 4.5 years, and the longest study period in junior high school is 7 years. Students who fail to meet the graduation requirements after reaching the maximum study period will be disqualified.