Large gaps still remain in access to education and the share of children who actually complete primary school.

UNESCO: CULTURE

Without India, the world cannot reach the Millennium Development Goal (MDG) of having every child complete primary school by 2015.

UNESCO: Education

Women, particularly in the developing world, continue to under-perform: nearly one in five girls who enrolls in primary school does not complete her education, soon becoming one of the more than 781 million illiterate adults in developing nations.

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In light of the considerable number of pupils who do not manage to complete their entire primary education, the mobile library creates an incentive to attend school and the arrival of the bus is announced through a loudspeaker to inform the community.

UNESCO: Country Profile: Nicaragua

Mexico has one of the highest rates of pre-primary school enrolment among OECD countries, but only under half of students complete secondary education, according to an OECD report in 2012.

BBC: Mexico's Pena Nieto enacts major education reform