Our teacher also asked us to tie the front hair back, but I have short hair, so I can only use a hairpin clip. They are probably afraid that we will keep our bangs too long, which will cover our eyes and hinder our study.
You said you had zits on your forehead. Oh, my dad told me that I covered my forehead with bangs and couldn't get the sun. That's why I have acne. Although it is nonsense, I always feel that my forehead is exposed and looks very energetic!
Are you a middle school student now? Soon, soon, when you get to high school, change schools, whatever!