Now there's also Gradplus loans you can get but I don't know the stipulations for those.
Another federally endorsed private loan of sorts (IMO) - requires no adverse credit and/or credit-worthy coborrower.
From site:
Zero default fees with guarantors nationwide.
Immediate 1.25% interest rate reduction at disbursement.
Additional .50% QuickPay interest rate reduction.
Benefit repair option after 24 months of on-time payments.
Full deferment of payments while in school.
Life-of-loan servicing through Edfinancial Services.
24-hour online account access at Edamerica.net.
Borrow up to the cost of education minus other financial aid received. Many alternative loans have annual and aggregate loan limits.
Up to 25 years to repay based on flexible repayment plans and total amount borrowed.
There are credit requirements, but debt-to-income or credit scoring are not used. If you are denied based on adverse credit, you may obtain a credit-worthy endorser who is secondarily responsible for the loan.
Your rate may be lower depending on your state and school.