We analyze the effect of a Chilean school reform that lengthened the school day from half to full-day shifts on the likelihood that adolescent girls become mothers. By increasing the number of hours spent in school, the reform curtails opportunities to engage in risky sexual behaviors. Using...

We analyze the effect of having a child in adolescence on high school completion, educational attainment, and college enrollment in a developing country setting using nine repeated rounds of Chilean household surveys that span the 1990–2009 period. We control for selection bias and household...