Are freshmen in Boshan Experimental Middle School divided into classes according to their grades?

Take the senior high school entrance examination, and establish a student status after being admitted. The specific regulations of the Law on the Administration of Students' Enrollment in Ordinary Senior High Schools (for Trial Implementation) are as follows: Article 3 Freshmen from junior high schools who have participated in the entrance examination for senior high schools organized by the municipal education administrative departments and accepted according to the scale system of ordinary senior high schools approved by the provincial education department and the enrollment plan formulated by the municipal education administrative departments will obtain their enrollment status within the specified time with the admission notice. Eighth high schools in accordance with the relevant provisions of the registration of new students, fill in the registration form and prepare the roster of freshmen, to timely submit the relevant information to the county and city education bureau. Municipalities shall submit the registration data disk of freshmen to the Basic Education Department of the Provincial Department of Education for review and filing before September 3 of each year. The student status audited by the Provincial Department of Education is the basis for cities and schools to establish students' comprehensive development reports, organize academic level examinations, issue high school graduation certificates, and transfer, drop out and drop out of school.