Add this 4-year membership to your cart if you are a current student of Dartmouth College (or any of its graduate schools). You will get 10% off most every purchase at the Dartmouth Co-op (online or in-store) AND at the Dartmouth Bookstore (5% on textbooks). You must tell us at checkout that you are a member by using the COOP promotional code and telling us in the order note section the name the membership is under.