The combination of changing sleep patterns in adolescence and early school start times leaves secondary school … classrooms filled with sleep-deprived students. Evidence is growing that having adolescents start school later in the morning … schedules and decreased time after school for jobs, sports, or other activities as reasons to retain the status quo. While …

scores among upper secondary school students from poor backgrounds. The identification strategy is the random allocation into … secondary school. An important policy implication is that a well-targeted scholarship program should be complemented with a …