Freeskier02 you act like you know everything man... jk bro. Actually, OSU will rank you on however many prereqs you have completed. For example, Of those 13 required courses... if you were to have all completed they would give you a "100%" in that section of the application criteria, which would give you a higher ranking than other applicants who only had, let say... 8 of those prereqs done, who might only end up with like a 40%. Don't quote me, but if I remember right, when you fall below the 50% I don't think they consider your application....especially, because there are tons of competitive applicants who have completed all or most of the courses required. For every class you don't have completed, they will dock you certain percentages like 10% or 20%, depending on if its a full yr or just a single semester. As mentioned before, make sure to get as many of those classes completed before applications are sent out... i'm not sure how they consider classes that are currently being taken, i.e. summer classes, etc.... Good luck, hope this helps.