<p>Requirements are going to vary by school. Now’s time to make a nice chart/spreadsheet off all possible colleges, which tests they require and when last test date accepted.</p>
<p>Look at each schools admission requirements. Some require 3 but all we applied to only wanted 2, but one of those had to be math and didn’t care about the other (may have been one school that wanted any two). Mine did math and US (took in June of junior year so didn’t really do additional studying since had just completed APs.)</p>
<p>You really need to look at each school. Unless the school will give placement or credit based on subject tests, not sure why you would need to take ones after senior year. The one school I know that uses subject tests for placement, it is for math.</p>