What should i wear for the first day of school!

im tall, fat, and i dont wear ae, ambercrombie, or ambercrombie and fitch. but i do wear Hollister! please no skinny jeans!!!! im a sk8er girl, but i also dress preppy!!! thanx!!!!!!!!!!!!!!!!!!!♥Im gong into 7th grade!! links please!!!! such as polyvore!! thank you!