Vampire academy rose hathaway or lisa?

ok, so what do you guys think is better to be like at school? im just wandering haha. would you rather be nice and pretty like lissa? or hot and sarcastic like rose? i was just wandering because people have been saying i have a mix of both of their personalities but which one do you think would be better for school? and how do you act like rose but not come out as a b*tch