Many countries have made great strides in reducing the number of children who do not attend school. They have achieved these successes by investing in interventions such as abolishing school fees, introducing relevant curricula, and providing scholarships to financially struggling families. Some national governments increased spending on education and invested in new classrooms, teacher recruitment and text books.
In other countries, educators offered instruction in multiple languages, providing learning opportunities for children previously shut out because of ethnic origin.
Here is an interactive look at the countries that have reduced the number of out-of-school children by more than half from 2000 to 2014.