Public schooling in the U.S. has numerous critics, many of whom suggest that alternatives such as providing vouchers for private schools may be more effective. This paper combines decennial census and American Community Survey data for various years to examine the relationship between...

We present a theory explaining the impact of ability tracking on academic performance based on grading policies. Our model distinguishes between initial ability, which is mainly determined by parental background, and eagerness to extend knowledge. We show that achievements of low ability...