班级人数 meaning in English

average class size
class size

Late registering and transfer students will be placed in the class with the fewest number of students
插班学生以分发至班级人数最少的班为原则。
In china most citizens live in the eastern areas and this results in large class sizes
在中国大部分公民都生活在东部地区，结果造成班级人数很多。
The director of registration will place the first 12 students on a first come first serve basis to their first choice in each class
注册主任按班级人数限制，报名先后顺序及学生志愿分发班级。
At present , most of the students did n ' t agree with the implementation . the following were the main affecting factors : formal curriculum , assessment system , teachers " literacy , time , the culture of the school research , the limit from the population in class , social and family environment
导致这种现状的主要因素是多方面的，主要有：课程本身；教师素质；时间因素；评价制度；学校的研究文化与交流文化；班级人数的限制；社会环境与家庭环境等。