Summary: Primary school starts at 9. 1, and junior high school starts two days earlier. High school is similar to junior high school, and some will be earlier. Universities start at the latest, usually in early September. Primary school and junior high school graduated at the end of June, and high school and university graduated around the beginning of June.

Graduation:

Pinyin is bì yè, which means that students complete their studies in schools or training courses, meet the specified requirements, and end their studies in our school. It can also be extended to summary and stop.

Source:

Episodes 5 and 5 of Adventures Witnessed in Twenty Years: "Yu Xun Lou left school, and I don't know where he spent two years, and came here to open a drugstore." Ba Jin's Autumn Nine: "She is a classmate of Qin's low class and graduated before this summer vacation."

Baidu encyclopedia-graduation