Student Loan Consolidation Lowest Interest Rate Why Does Sallie Mae Require A Cosigner For Private Student Loan Consolidation Even With Good Credit?

Why does Sallie Mae require a cosigner for private student loan consolidation even with good credit? - student loan consolidation lowest interest rate

There is absolutely no sense. Even with great credit are still paying through the roof!

"If you have a history of superior credit and a guarantee for the private consolidation loan (or a signer) with better credit, your interest rate could be as low as - 0.50% (6.75% TAE), with no fees or expenses.
If you could make a fair credit history and no collateral, interest rates private loan consolidation, the first 6.5% (13.75%) APR. "

I worked so hard to build a good FICO score and to reinforce the need for a good rate. My parents have terrible FICO scores. What should I do?