I do not see negligence. You need to return to the financial aid office and receive an explanation as to your staus and availabilty for whatever loans you think you are entitled to. Good luck in school. Those are the steps in my humble opinion. I have yet to encounter a financial aid department, which exists to assist students, in being negligent. You recieved a loan, correct?
Very unlikely that you can bring any claim against the school or financial aid staff. You got the money and the money paid for education which you also received. So, your claim is not for forgiveness of your debt but, potentially, for the difference in terms between the loan you wanted to make and the terms of the loan you ended up making. The law is against you on this. You were not forced to borrow at all; you cannot prove that the loan you made is the only one you could have made. Most conclusively, your financial aid application materials expressly waived any claim on this basis. In short, there is no actionable claim for negligence here.
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I doubt there is any legitimate claim against the school. If you had a written agreement, and they failed to honor the agreement, then you could have a claim.