> If you have a single national exam, that all the schools are going to teach is this one exam, an example of horrible overfit. If, however, you have a diverse

> If you have a single national exam, that all the schools are going to teach is this one exam, an example of horrible overfit. If, however, you have a diverse amount of colleges with different entry exams, then schools will have to teach the knowledge and skills required to pass all the different exams Well, no. You'd just choose which schools you wanted to apply to before fixing your pre-exam curriculum. Don't bother covering material you won't need.