Students' out-of-school activities and time use can play a crucial role in facilitating school effectiveness. Using data from Seoul, South Korea, where the assignment of students into schools is random, we show that single-sex high schools affect the out-of-school activities of boys only, while...

We exploit the unique features of high schools in Seoul to study the effects of school autonomy on student outcomes. Under South Korea's equalization policy, both private and public schools in Seoul admit students that are assigned randomly to them, receive equal government funding, charge...