How the signs got expelled from school:

Aries: Breaking someone's nose

Taurus: Ordered dozens of pizza on the principal's credit card

Cancer: Changed their grades on the teacher's computer

Gemini: Called the teacher a stupid cunt

Leo: Got caught watching hentai during class

Virgo: Hacked the school wifi and disabled firewalls

Libra: Snuck vodka into a water bottle, threw up in class

Scorpio: Stalking a cute teacher outside of the school

Sagittarius: Had a nervous breakdown and punched a hole in the wall

Capricorn: Threatened someone with a pair of scissors

Aquarius: Brought their cat to school and it scratched someone 

Pisces: Pulled the fire alarm to get out of talking a test they didn't study for