Some fashion advice for 6th form?

I am 16 & about to start 6th form. i have a budget of about £100 and have no idea what to buy. i have a medium-ish skin tone, brown hair and i am size 12 top & bottom.
Answer
Good jewellery from accesserise make an outfit so much better! tunic dresses are in now, you could get some on them, and some new jeans in your budget.