Cabrera-Hernández, Francisco; Padilla-Romo, María; … - 2022
extended the school day from 4.5 to 8 hours in schools that adopted the program. We exploit cohort-by-cohort variation in … high-school admission exam, subsequent placement, and preferences over high schools. The results indicate that full …-time schools have positive and long-lasting effects on students' performance, increasing high-stakes test scores by 4.9 percent of …