How much of a difference does it make whether a student of a given academic ability enters a more or a less selective four-year college? Some studies claim that attending a more academically selective college markedly improves one's graduation prospects. Others report the reverse: an advantage from attending an institution where one's own skills…

In this paper we analyze longitudinal data from a nationally representative panel of college entrants to test and compare several theoretical explanations of college degree attainment and noncompletion. So far, relatively little emphasis has been placed on determining the relative and combined predictive power of competing explanations or…