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though I'd change mine of Snow to workaholic too maybe. not quite the same as Tiana being an overachiever- where Tiana focuses on schoolwork, Snow focuses on people and taking care of them.. she'd manage the bake sales, take homework over to a friend who missed school because they were sick, give cookies to a new teacher or one who was retiring, etc. she'd also take her work seriously but would care a lot about her friends and teachers.
Elsa would take the wallflower stereotype. I think she'd actually also be a shy artsy girl, but in A Sister More Like Me, she likes geometry, so she might be more into some of her studies than Aurora. She'd enjoy doing math homework or a drawing in the library in free time and not talk to many people.
Anna would be the class clown for sure. Popular, maybe on a sports team, good at being friends with every group, and making people laugh (even if it isn't on purpose!).
So:
Snow- workaholic who makes sure stuff gets done but there is still time to socialize
Cinderella- preppy? No, *not* Hollister prep, but good attendance, good grades, well-brought-up, into fashion design class, very friendly but not super outgoing. Wears a plaid skirt and is a bit of a teacher's pet. Not the Vivien Kensington prep, but humble.
Aurora- shy, poetic artist who the boys are intimidated by but she's afraid to talk to them
Ariel- cheerleader/choir girl
Belle- hipster/popular geek girl
Jasmine- Queen Bee who gets in trouble a lot
Pocahontas- activist who is friends with everyone and on a sports team as well as founder of the eco club, doesn't care about studies as much as she does reaching out to people
Mulan- quiet loner who often forgets when a paper is due and doesn't really fit in with any one clique
Tiana- straight-A overachiever who is in several clubs since it'll look good on college apps. constantly studies when she isn't cooking, never makes time for socializing.
Rapunzel- teacher's pet. another popular geek girl.
Merida- jock, one of the guys mostly
Elsa- wallflower, likes art and geometry and hates getting called on in class
Anna- class clown who loves sports and lunchtime