Vietnamese students won three medals at the 21st International Informatics Olympiad held in Bulgaria from August 8-15.

Nguyen Thanh An, a 12 th grader at the Hanoi-Amsterdam Gifted High School , won a silver medal. Two bronze medals were awarded to Xuan Khanh, an 11 th grader at Ho Chi Minh City Gifted High School, and Hoang Ngoc Hung, a 12 th grader at Thanh Hoa province’s Lam Son Gifted High School.

Earlier, Vietnamese students took home two gold, two silver and two bronze medals from the 50 th International Mathematical Olympiad held in Germany from July 10-22.

Meanwhile, Vietnamese school boys and girls won five silver medals at the 40th International Physics Olympiad held in Mexico from July 12-19, and a silver and three bronzes at the International Biology Olympiad in Japan during the same time.

Vietnamese students also secured one gold, two silvers and one bronze at the 41st International Chemistry Olympiad, which was held recently at Cambridge University in the UK./.