Approximately 260 million children around the world are not in school.
World leaders have signed up to a United Nations plan to provide universal primary and secondary education by 2030.
Most countries are lagging behind; the ones with the highest poverty are hardest hit.
Although progress has been made, challenges remain.
In a new report, the Organisation for Economic Co-operation and Development says governments in developed countries also must do better.
Can governments overcome challenges they face in making education accessible to every child?
Presenter: Folly Bah Thibault
Manos Antoninis - Senior policy analyst, UNESCO.
Hussaini Abdu - Country director at Plan International Nigeria.
Jiang Xueqin - Researcher at the Global Education Innovation Initiative, Harvard University.
Source: Al Jazeera News