If you're going to a school in the midwest you only need to take an ACT, if you're going somewhere outside the midwest you should be able to get away with just an SAT score (in most cases). I personally only took an ACT because I go to school in the midwest and scored a 35 on my first try. I took it again trying to get the highest (as there are usually 1-2,000 people who score 36 yearly), but I got a 34