Group 1 - The Chinese team achieved a remarkable success at the 66th International Mathematical Olympiad (IMO) held in Australia, with all six members winning gold medals and securing the top position in the team rankings [1] - Deng Leyan and Zhang Hengye, both from prestigious schools, achieved full marks in the competition, with Deng Leyan's gold medal marking the 18th gold for Shanghai High School since 2000, making it the leading school in China for IMO gold medals [1][2] - Deng Leyan, the only first-year high school student on the team, has shown exceptional mathematical talent from a young age, winning multiple awards in various competitions, including a bronze medal in the Alibaba Global Mathematics Competition [2] Group 2 - Shanghai High School has been entrusted to host the 67th International Mathematical Olympiad (IMO 2026) in July 2026, marking the first time a high school will host this prestigious event [3] - The school has a long history of nurturing mathematical talent, having established a mathematics class in 1990 and training thousands of students with special mathematical abilities over the past 35 years [4]