This year, 107 contestants from 15 countries and territories competed in the week-long Olympiad, held in Samarkand, Uzbekistan.
Vietnam came in 4th with one gold, two silvers, and one bronze. Russia led the medal tally, followed by China and host Uzbekistan.
The gold went to Le Ba Tuan Viet from the High School for Gifted Students, under the VNU University of Science.
The two silvers went to Truong Ba Chi Thanh from High School for Gifted Students, and Tang Hao Nhien from Hue High School for the Gifted.
Le Hong Nhan from Lam Son High School for the Gifted in Thanh Hoa province won a Bronze medal.
