wow, you guys are really stressing bout this... the exams are over - WE HAVE FINISHED THE HSC!! So live it up, hang out at the beach, go on holidays, go to schoolies... forget about your marks for the next 3 weeks bcus its like the only time in your life that you are going to have No responsibilities whatsoever..
enjoy not going to school so that when you do get the marks back and you choose your course then you can start a fresh at uni..! Just Chill!