Increasing the minimum age of marriage to 18 years old in Mexico reduced formal marriage but did not prevent school dropout or early motherhood

Face-to-face interactions between teachers and their coaches might yield better results in teacher training than more high-tech, virtual approaches

Group-based interventions can increase parental engagement in school, change parents’ behaviour at home and improve children’s behaviour in school

More frequent assessment of student performance fails to deliver on improved outcomes when the administrative burden on teachers is high

In low-income countries, students’ economic background can determine how well their learning needs are matched with their schools’ instructional level

Criminalising sex work in Indonesia led to large increases in sexually transmitted infections among sex workers and likely across the whole population

Bundling payment incentives over time is more effective in increasing effort among the impatient, relative to increasing payment frequency

A home visiting programme substantially improves the language, cognitive, fine motor and socioemotional skills of left-behind children in rural China

Lessons on gender parity and staying healthy reduced intimate partner violence and led goal-minded girls to choose age-appropriate and ‘better’ boys