<p>Superscoring is when the school combines the best scores of each section from multiple sittings. For example you score a 720 in math and a 750 in critical reading the first time you take the SAT. </p>
<p>Then the second time you take it your score is 750 in math and 700 in critical reading. The college will take the best you’ve done on each section and you’ll have a 750 math and 750 CR.</p>
<p>Sorry, I don’t know the answer to #2.</p>