Nguyen Le Ngoc Thao Quyen and Tran Khoa Dieu Anh from the Horizon International Bilingual School in Ho Chi Minh City, won gold medals at a science competition for high-school students held between April 15-20 in Houston, Texas.

Two other students from the school took bronze medals at the contest, called the International Suitable World Energy, Engineering and Environment (I-SWEEEP), which attracted high-school students from 59 countries around the world.