You cannot consolidate student loans. What you can do is apply for a personal loan and pay off the student loans.
But you will not find a rate lower than 6.8

Here are some great tips on how to consolidate student loans.One good thing about government loans is that the interest rates are fixed when consolidating them, and so rest assured that the rates that the lending company will charge you are within the boundaries of the law. Albeit there is already a ceiling on the interest rates when consolidating government loans, it is always to your advantage if you will shop around for those with really low interest rates.

http://www.worldbestloans.com/student-loans.htm

Grace period of loan repayment means you are done with college and earn a degree but the part of repayment, you just have not started. The grace period is usually from the graduation day to 6 months after and is usually regarded as an excellent time to which you acquire college student loan consolidation.

You have to shop around. I would definitely try credit unions. If you’re still deciding, here’s an article to help you make the right choice. Hope it helps

collegefinder.yoll.net – try this site. It has info about different US student loans and scholarships.