The children at the beginning of Xiaoshengchu are assigned to the corresponding small lottery junior high school in the household registration area by random allocation. According to official website, the Education Bureau of Zhanjiang, the lottery in Zhanjiang junior high school was randomly conducted according to the voluntary order of students or school-age children until they participated in the last voluntary school shake, and junior high school children were randomly assigned to the corresponding small lottery junior high school where their household registration was located.