I believe charges were reduced, not dropped. Also UT has a student code of conduct that all students must follow. It gives them the right to suspend any student for breaking it. They decided that he did break it. He is going to them to plead his case that either he didn't break it, it's not as bad as it looked, or he has changed and won't break it again.
Not sure what this has to do with the federal government but thank you for brining politics into this, I wasn't sick of seeing political stuff everywhere else.
I have worked at multiple places that had a code of conduct, and if I had been convicted or took a plea bargain, my ass would have been on the street.