<p>You can’t really tell.</p>
<p>Although the questions on the PSAT are the same difficulty as those on the SAT (with the exception of the slightly easier math), the SAT is of course about twice as long and also includes the essay. At the same time though, there is a lot of intellectual growth that occurs during this time that will naturally increase your score. </p>
<p>Personally, my test scores went up a lot without any studying at all from the beginning of my sophomore year through partway in my junior year. But everyone’s different.</p>