I've randomly asked students if there is a counseling center on campus. I get answers like:
Sometimes, the student has been on campus less than a semester. Sometimes, the student is a senior. Ask your friends if there is a counseling center on campus and see what kind of responses you get.
Here's a short video that'll give you the basic information to educate those friends who are not informed about Counseling and Psychological Services (CAPS).
Don't just be a friend, be a supportive and informed friend!