When I got back to campus after winter break my freshman year, I went to a small party in someone's dorm room on campus. There were some kids drinking beer there and some other people smoking pot. I was one of the kids smoking weed near the window of the room. About an hour after the party started, the RA knocked on the door, and we were all busted.
Read here: https://insights.collegeconfidential.com/how-my-marijuana-arrest-impacted-my-admissions-journey