I know it's not that original, but I still think it would be a good idea.

Welcome to South Lake Middle School, home of the Cavaliers!
Here at SLMS, our motto is 'every student learns, every student achieves'
*pushes principal out of the way*
Gods, she's annoying! so, yeah, welcome to South Lake. I'm Tala, your student guide. So, you just need to fill out these forms and then we can get you enrolled.

Name:
Age:
Gender:
Appearance:
Grade:
Core(6th and 7th: Minnie, Wyatt, Sahadi; 8th: Peddycord, Stockwell, Jaroma)

So, here are the rules:
No profanity
Keep the swearing to a minimum
You must attend at least 4/7 of your classes
Don't kill each other(really, this has happened)