What should I wear????Help!!?

It is early, but what should I wear for the first day of high school? It is on sept. 4th, I think. I lke pink with green, and am quite preppy. I love lilly pulitzer. I want to be noticed, but not look too weird. How should I do my hair and makeup too? I have green eyes, fair skin, and medium brown shoulder length straight hair. I have preppy ad girly style. I don't like kmart though. You can make it on polyvore, or send me links or whateva. Thanks! I want to look perfect on my first day.