Hanoi Chairman Nguyen Duc Chung Friday ordered the municipal Department of Education and Training and other agencies to prepare for the upcoming 16th IMSO for primary schools.

International students will compete in Group A and Vietnamese students will compete in Group B of the contest. Each country can nominate up to 12 students. About 1,000 domestic and international students are expected to participate in the contest.

At the IMSO 2018 in China, Vietnamese students won 23 medals in total, eight of them gold.

Vietnam has been participating in IMSO since 2015 and won 21 gold and 80 other medals so far.

The IMSO for primary schools is an annual math and science competion in English that is held alternatively by ministries of education of countries across the world for students under 13.