Parents gauge school quality in part by the level of student achievement and a school's racial mix. The importance of … cutoffs for the most selective of these schools move from above-average schools to schools with students drawn from the … extreme upper tail. Exam school students can also expect to study with fewer nonwhite classmates than unsuccessful applicants …

, graduation rates of minorities increased by 4.4%. We characterize conditions required for better matching of students to campuses … graduation gains experienced by less-prepared students. At the same time, better matching only explains about 20% of the overall … graduation rate increase. Changes after Prop 209 in the selectivity of enrolled students explains 34-50% of the increase. Finally …

of children from poorer families. -- birth weight ; twins ; education ; IQ ; earnings …

school students, while non-urban charters reduce achievement from a higher baseline. Student demographics explain some of …