However, the symptoms are severe enough to interrupt schooling only in 10% of affected children.
The 2008 UN data also failed to reflect huge increases in displaced children and interrupted schooling.
Our research also confirmed that kids who arrive during their high school years, as Tamerlan Tsarnaev did, face bad odds, especially if they experienced interrupted schooling, family instability and traumatic dislocations back home.
Interrupted schooling can impede a person's ability to find the work that's required to live independently.
Michael Cernea, a former World Bank official who developed the bank's first resettlement safeguards, has noted that relocation "often interrupts schooling and for some of these children it means that they never return to school".
Assessing children's needs The flooding has also interrupted schooling for children.
Displacement and interrupted schooling As the crisis intensifies, increasing numbers of families are being displaced, forced to leave their homes in search of food and work.
This may be because it is a more accurate assessment of acquired learning than number of years of formal education in this generation, of whom many were exposed to war conditions (second world war and Spanish and Algerian civil wars), which interrupted schooling and professional training.
