The Department of Examinations and Education Quality Assessment saidon July 23 that with this performance, Vietnam ranked 31 st out of the90 participating delegations. China came in first, followed by the USand Singapore.
So far, four out of five VietnameseOlympiad teams have bagged 18 medals and one certificate of merit,including one gold in physics, four silvers in physics and chemistry,and 13 bronzes.
The Informatics Olympiad team will take part in the final competition on July 29.
The 53 rd IMO is scheduled to take place in Argentina in 2012./.