It is reported that there will be no class on that day, and there will be a meeting with the counselor and a class meeting. Other different schools are different, so it's not clear.

Mainly depends on whether there are many classes that day. The more classes, the more books, so you need a schoolbag. If you have less, you can take a bag or hold it in your hand.

There are also many students carrying schoolbags in the university, as long as they don't look naive.