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Summer’s over, and it’s time for tweens and teens to head back to school. However, some back-to-school checklists are a little bit different than the typical plaid skirts, number two pencils and box of tissues that most kids have. Here’s a look at what back-to-school means for some of the most famous students in the world:

Taylor Momsen, Gossip Girl starlet & front-woman for The Pretty Reckless
Required Reading: Dirty Blonde: The Diaries of Courtney Love , by Courtney Love
Class Uniform: Julia Roberts' outfit from Pretty Woman . No, not the pretty one. The hooker one.
School Supplies: Kohl Eyeliner, Razor Blades, a Tetanus Shot
A Box of Tissues? Nope. Blowing your nose is so not rock & roll.

Glen, the creepy kid from Mad Men
Required Reading: In Cold Blood , by Truman Capote
Class Uniform: 1960's Tree Farm chic
School Supplies: Box Cutters, a Skeleton Key, a Telescope to Spy on Sally Draper
A Box of Tissues? Nope. His kind of sick can't be helped with Puffs Plus with Aloe.

The Teen Moms from Teen Mom
Required Reading: Rosemary's Baby , by Ira Levin
Class Uniform: Anything that is sexy that also has an elastic waistband.
School Supplies: Diaper Bag, Breast Pump, Diaphragm
A Box of Tissues? Yep. There's going to be a lot of crying in these girls' lives, and most of it won't be coming from their babies.

Bindi the Jungle Girl, the Crocodile Hunter's Daughter
Required Reading: Cujo , by Stephen King
Class Uniform: Safari hat and khaki romper
School Supplies: Butterfly Net, Tranquilizer Darts, Taser
A Box of Tissues? Yep. Only completely recycled and biodegradable.

Justin Bieber, of Justin Bieber fame
Required Reading: The Picture of Dorian Gray , by Oscar Wilde
Class Uniform: Oversized sweatshirt, backwards baseball cap and Dorothy Hamill hair
School Supplies: Tricked Out Tour Bus, Smooth Panty Dropping Harmonies, Appointment for Castrato Operation
A Box of Tissues? Yep. For all the puddles of drool everywhere he goes.