I recently forgot my driver's license, and I showed them my student ID (which did have my picture on it), and a couple of credit cards and I didn't even go through extra security. The TSA website makes it clear that you can get through security without a government-issued photo id (although they do discourage it).

If you go to a state university, that is a legal state issued ID.

You just get extra screening by the TSA, Don't really have to show ID if you don't have it