Zhangxi 'an Chengguan Middle School in Dingxi, Gansu Province is divided into classes.

First, the placement of new students is implemented by the guidance office, which is carried out in late August every year. Two, transfer students, children of floating population, children of migrant workers, enjoy the same treatment as school-age children in this town when attending classes.

Third, it is forbidden to divide fast and slow classes into experimental classes.

Four, according to the number of freshmen in that year, formulate the number of enrollment classes in that year, and strictly control the "large class". Five, the implementation of computer parallel placement, according to the results from high to low, random distribution or snake queue. Ensure that the grades of students in each class are relatively balanced, and the number of boys and girls is roughly equal.

Six, the guidance office is responsible for organizing the class teacher to draw lots on the spot and deciding the list of classes and students.

Seven, posting the new resettlement list, once published, no longer change.

Eight, the resettlement process is supervised by the society and parents, which fully embodies the principle of "fairness, justice and openness".