My faculty advisor was a tremendous resource, who really worked with me to get my classes picked out, and fill all my requirements. The registrar's office was really helpful in explaining how my classes fit into the different categories of requirements. I also think that the DUST website is a valuable resource.
Advice to a prospective student looking at CALS
If you can say "I want to be Cornell!" then what are you waiting for?! But make sure you have done your research, and visited the school if possible because the slope can be a killer!
Activities
Club Lacrosse, Together mentoring program (I work one on one with an elementary school student with diabetes), Intramural Water Polo.