"It does not do to dwell on dreams and forget to live."
- J.K. Rowling "Harry Potter and the Philosopher's Stone"
That depends on whether or not you are American :P No, in all seriousness, success and good performance in school is, I believe (though probably not proved by any reputable body of science) to overall happiness. And of course the student's willingness and ability to strive to achieve certain goals.
I know what you mean, I feel invisible and I am unless someone wants to copy my homework. I want to succeed in school because if I don't, what happens then? I want to be a doctor or a writer or a lawyer or plenty of things but I want to be something big. I, myself find that if I wear my hair down r if I'm wearing jewelery I tend to mess with it and not pay attention and I see the really popular girls talking all through class.