After-school service for primary and middle school students in Inner Mongolia started, and the off-campus custody class officially bid farewell, that is, unified admission; Campus trusteeship not only ensures the safety of students, but also ensures the supervision of teachers, which can be said to be the best of both worlds.

Custody class, called "small dining table" in the early days, is a place where children are taken care of under the condition of complete custody. Generally speaking, it is mainly to let children, such as kindergarten children and primary school students, do homework and play games with their children, and form good life and study habits through the supervision of teachers and the interaction of students.

In addition to taking care of children's safety, the trusteeship class also takes responsibility for picking up children from school and arranging their lunch or dinner. Some care classes also provide accommodation to help solve the problem that parents have no time to take care of their children.