The 2003 PISA Korea sample is used to examine the association between within-school ability tracking and mathematics achievement. Estimates of a variety of econometric models reveal that tracking is positively associated with mathematics achievement among females and that this association...

Using quasi-randomised data from South Korea's high school equalisation policy area, we show that school-provided after-school classes reduce students' time spent in private tuition and the associated household expenditure, as well as increase their likelihood of college attendance without any...

We investigate the effects of attending a single-sex high school on future labor market outcomes through use of a randomized natural experiment. South Korean students are randomly assigned, by lottery, to single-sex or co-educational schools within their school districts. Using a large set of...

Improving the quality of school education is one of the key policy concerns in Korea. This paper examines whether providing schools with adequate autonomy and incentives can meet the policy goals by looking at a recent policy reform in Korea. In 2009, the Korean government granted autonomy to...

Ability tracking creates a homogenous learning environment within the classroom, by segregating high-performing and low-performing students into different groups. This paper exploits a unique policy change in South Korea combined with comprehensive micro dataset to measure the causal...