How is it like in middle school?

Btw guyz Im in 6th grade but I go to a private school so they hav PreK-6th....anyways I've already graduated from the elementry and now I'm moving to middle school I'm nervous and excited at the same time...so can u giv me some things tht is fun bout it or tht is really difficult(I'm going to 7th when school starts again) plz no mean comments like if I flunked cuz I never hav :) Thx! :)