students' ability and past achievement, I use instrumental variables that are derived from two allocation rules that partly … suggest that increasing instruction hours and reducing class size have significant effects on students' achievements. The OLS …

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 …

start age created by children's date of birth provides a natural experiment for estimation of the effect of age at school … can be derived for one cohort of students, to the 1980 Census, which contains educational attainment for the same cohort … of students. The results suggest that roughly 10 percent of students were constrained to stay in school by compulsory …

start age created by children's date of birth provides a natural experiment for estimation of the effect of age at school … can be derived for one cohort of students, to the 1980 Census, which contains educational attainment for the same cohort … of students. The results suggest that roughly 10 percent of students were constrained to stay in school by compulsory …