Even with the knowledge that it's not safe to drink and drive, some estimates show that over 3 million college students drive while intoxicated every year. A DUI can have a profoundly negative impact on a person's life. It may be more difficult to get certain jobs. You also need to consider your overall reputation because a DUI conviction will show up on any background checks as part of your permanent criminal record.
For college students, there is also one consequence that could be catastrophic: losing scholarships.