Based on the many national and international post-tsunami field surveys carried out after the event and the performance analyses of the tsunami early warning systems in place, the symposium was organized by the Intergovernmental Oceanographic Commission of UNESCO and the United Nations University, in collaboration with the Government of Japan.

UNESCO: Social and Human Sciences

Timms, which analyses performance in maths and science at ages nine to 10 and 13-14, and Pirls which looks at reading among 10-year-olds.

BBC: Warning over world schools rankings