Friends with benefits is one of the major pros of relationships, ie. sex, without all the stresses relationships can bring. That being said it can still fuck up.
As far as I know, the most you get for topping is higher likelihood of receiving a scholarship and the likes, and perhaps a page in a high achievers booklet meant to motivate the '10ers.
Ahahah that too.
So it's a slightly deceitful demographic at bondi I suppose.
But yeah generally rich girls have more money at their disposal to use on aesthetic items, and a lot of them go to private schools where presentation means a lot.