2011 Global Education Digest

UNESCO Institute for Statistics, via a kind Kris Olds email:

Two out of three children in Africa are left out of secondary school
Governments are struggling to meet the rising demand for secondary education, especially in sub-Saharan Africa, where there are enough school places for just 36% of children of age to enrol, according the latest edition of the Global Education Digest.
Globally, secondary schools have been accommodating almost one hundred million more students each decade, with the total number growing by 60% between 1990 and 2009. But the supply is dwarfed by demand as more countries approach universal primary education.
In 2009, 88% of children enrolled in primary school reached the last grade of this level of education, compared to 81%. Yet, in 20 countries — mostly in sub-Saharan Africa — a child in the last grade of primary school has a 75% chance at best of making the transition to lower secondary school.
The path to prosperity
“There can be no escape from poverty without a vast expansion of secondary education. This is a minimum entitlement for equipping youth with the knowledge and skills they need to secure decent livelihoods in today’s globalized world. It is going to take ambition and commitment to meet this challenge. But it is the only path towards prosperity,” said UNESCO’s Director-General Irina Bokova.
“An educated population is a country’s greatest wealth,” she added. “The inequalities signalled in this Report, especially in relation to girls’ exclusion from secondary education in many countries, have enormous implications for the achievement of all the internationally agreed development goals, from child and maternal health and HIV prevention to environmental security.”
In terms of enrolment, sub-Saharan Africa has made the greatest gains of all regions, with gross enrolment ratios rising from 28% to 43% for lower secondary and from 20% to 27% for upper secondary education between 1999 and 2009. Nevertheless, more than 21.6 million children of lower secondary school age remain excluded from education across the region and many will never spend a day in school.

The complete report is available here (PDF).