All five medal winners are 10th graders at the Hanoi-Amsterdam High School for the Gifted.
The one-week event drew the participation of 234 students from 41 countries and territories.
IJSO is an annual competition for 15-year-old students to compete inphysics, chemistry and biology. The contestants are required to flexiblyapply basic science knowledge to tackle three papers including multiplechoice examination, theoretical examination and experimentalexamination.
According to Le Ngoc Quang, Vice Director of theHanoi Department of Education and Training, this is the 7th time Vietnamhas sent students to the event, which was held for the first time in2004.
At the 10th IJSO in India last year, the Vietnamese team won one gold for the first time and five silver medals.-VNA