The school year is inter-annual, for example, it starts in September and 1 month every year, and starts in mid-February after the winter vacation the following year. Autumn and spring are a school year, which is different from the year used by other units.
The school year is the education year, that is, from September 1 day of that year to August 3 1 day of the following year. Summer vacation is the dividing line of the school year, a school year is divided into two semesters, and winter vacation is the dividing line of semesters. The school's teaching year is the whole year, the teaching time is generally 45 weeks, each semester is 22 or 23 weeks, and the other 7 weeks are winter and summer vacations.