One: fewer classes every day.
Before college, our courses were formal. We go to class every morning and go home from school at night. Every day our classes are full, and we sit in the classroom all day. But college is different. There are few courses in the university and the time is not fixed. Sometimes there is less than one class in the morning, sometimes there is one class in the afternoon, and sometimes there is no class all day, so there is no need to have a fixed classroom.
Second, the university curriculum is rich.
When we were young, we only studied a few courses, and we knew what we should learn every day. Courses are fixed, and exams are fixed. It's easier to go to college. Generally speaking, you don't have to fail, and everyone's major is different. A dormitory can have several majors, and you can go to any classroom if you need to take any classes. If there is a fixed classroom, everyone will be restricted.
Third, improve the utilization rate of the classroom.
The university classroom is relatively free, because there are many large classes in the university, and several professionals attend together, which determines that it is impossible for everyone to have a fixed classroom. Moreover, this can improve the utilization rate of the classroom, and everyone can take classes in cycles. If everyone has a fixed classroom, it will be a waste when there is no class.
In the past, everyone went to school together every day, so the classmates had a good relationship. But after I went to college, I only had a few classes every day, and then I left. Maybe after a semester, they don't even know their classmates, but they are better with their roommates.