Is the third grade promoted to the fourth grade divided into classes according to grades?

I don't think so. The principle of primary school allocation is mainly based on the principle of balanced proportion of male and female students, the principle of fairness, openness and justice, and the principle of "drawing lots according to piles and balanced distribution".

Freshman placement method:

1, and the enrollment of new students is numbered by the Academic Affairs Office; After the registration, the Academic Affairs Office will publicize the admission list.

2. The members of the school enrollment leading group shall draw up a placement plan before the start of school, which shall be implemented by the Academic Affairs Office.

3. When the Academic Affairs Office provides the placement roster, only the serial number, gender and related information of the students will appear, and the students' names or other information will not appear to prevent cheating in placement.

5. According to the placement plan, according to the requirements in the plan and the "placement principle", the "working group" will divide the freshmen into classes according to the classes planned by the school, put them in envelopes and seal them, and the class teacher will draw lots to decide.