can be slang use in school and university?

1. "Lit" - used to describe something exciting or cool

2. "Slay" - used to describe someone who is very fashionable or talented
3. "Flex" - to show off or boast
4. "Chill" - to relax or take it easy
5. "FOMO" - fear of missing out
6. "YOLO" - you only live once
7. "Bae" - term of endearment for a significant other
8. "Squad" - a group of close friends
9. "Grind" - to work hard or study diligently
10. "Turn up" - to have a good time or party.