Lankao Qin's position is as high as that of the school director. Lankao Qin's position is equivalent to that of school director. A class teacher is responsible for students' safety management, living habits and so on, which is higher than other teachers' positions, because he is the director of management, and everything includes teachers' behavioral responsibilities and students' behavioral responsibilities. Lankao Qin is as high as the school director and is in charge of many things.