The most noticeable part of the drug scene on campus is smoking cigarettes. A large quantity of students smoke, and you definitely see that the minute you step on campus. Just like almost every other college or university, alcohol and marijuana are prominent. Every night is a party night, and many rarely take a night off. It is rare to meet someone who does not or has not tried smoking pot. The use of more hardcore drugs is kept out of mainstream campus life and is certainly not a noticeable part of campus life.
Although there is a great deal of pot and alcohol, pressure is off. Students do what they want to do and let you do what you want to do. You can still go to parties and not drink and no one will judge you or make you feel inferior. The drug scene is as big as you make it.