Answer:
Probably not, as minors can not legally enter into a contract in most states. If someone gave a 17 year old entered into a contract then the 17 year old may be able to get out of the deal.
This answer above is incorrect. Yes you can get financial aid and once you do sign the promissory note you cannot get out of it. You will need to pay the loan back. The laws changed many years ago that allowing 17 year old to receive aid because their were so many 17 year old graduates.
Talk to your financial aid person.