Students starting at a two-year college are much less likely to graduate with a college degree than similar students … of peer ability for most two-year and four-year colleges in the United States- the average PSAT of enrolled students. We … between students who start at two-year versus four-year institutions is explained by differences in peers, leaving room for …

mapped into the observed 1-5 integer scores, for over 4.5 million students. Earning higher AP integer scores positively … that receiving a score of 3 over a 2 on junior year AP exams causes students to take between 0.06 and 0.14 more AP exams …