What's the big deal? After I started d-school, found out within a week that a good 4-5 folks (10% of the class) smoked weed and enjoyed it.
My only issue with is a lot more practical: SHORT-TERM MEMORY IS KEY TO PASSING EXAMS! screw that up and the resukts will show.
other than that, it's all bull**** what the media/govt wants to make you believe. We should look north across the border and learn some things about life and liberty.