You need to step out of your feelings and learn one of the greatest life lessons!
If you learn this at a young age it will stand you in good stead for the whole of your life and if you don't, it will mean pain and suffering all your life (to a greater or lesser degree).
That your feelings are not a good basis for decisions... infact, the degree to which you can put your feelings aside and focus on what is important, is the degree to which you will have maturity, control and contentment in your life...........
........and the thing is NOBODY is going to teach you this... in part because they haven't figured it out themselves (but note many sort of aim to do this without realising).
NOTHING of any note was achieved without the subjugation of feelings to willpower.. NOTHING
...which brings me to where you are! You don't like this school because it doesn't FEEL good. You don't have any friends, you think they're snotty rich pricks, etc. Whilst I understand these things are the most important things in life right now, they're not. Whether you realise it or not, you are in the most important training period. You are learning everything about life (not just education things).
The question is Can you put aside your feelings and focus on what's important? (i.e learning and education).
If you can you will not only learn the most valuable lesson in life (willpower over feelings) but will find your attitude to the school, to adversity, to education and to life will immeasurable change!
I'm sorry this advice doesn't make you feel good but if you get it, really get it, you'll understand!
(note.... if you want to reflect on things.... it's virtually impossible for all the kids in school to be "snotty rich pricks". The fact you judge them all to be says nothing about them and everything about your attitude. I'm not saying it's you and not them but the fact YOU think it's all them shows you've got a lot of adjusting to do).