Each college has different requirements, and each class will have a certain percentage of places. If the top student gives up, the next one will make up for it! There may be more places for good classes. One book is different from three books. Now it seems that all three books are not guaranteed! The passing rate is still very high, but it is a part of majors, because many popular majors do not have graduate degrees, and if there are places, there are very few, which is why many students who study well finally give up the opportunity of graduate degrees! I am a river worker and just graduated this year! Good luck!