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Singapore Students Win 18 Gold Medals, 17 Silver Medals, 3 Bronze Medals and 1 Team Championship in this Year's International Olympiads and International Young Physicists' Tournament

Last Updated: 27 Aug 2025

News Press Releases

The Ministry of Education (MOE) congratulates all students for their outstanding performance in the International Olympiads for Biology, Chemistry, Geography, Mathematics, Nuclear Science, Physics, Artificial Intelligence, Informatics, and the International Young Physicists' Tournament1 , which were held overseas from June to August 2025. Outside of the competitions, our students gained valuable experience through interactions with like-minded peers from all around the world.

36th International Biology Olympiad (IBO)2

2. The Singapore team won four Gold medals at the 36th IBO held in Quezon City, Philippines, from 20 to 27 July 2025, where they emerged joint 1st out of a total of 78 countries/territories and 298 participants. The IBO tests students' Biology skills and knowledge by pitting them against their peers in both practical and theory components. In the practical component, students had to complete four tasks on the topics of biomedical sciences, cell and molecular biology, ecology and systematics, and microbiology. In the theory component, students were challenged with questions across a myriad of topics, including biosystematics, cell and molecular biology, ecology, ethology, genetics and evolution, plant anatomy and physiology, and animal anatomy and physiology.

Gold medallists
  • Mak Mun Yew, NUS High School of Mathematics and Science
  • Nicholas Ng Eng Siong, NUS High School of Mathematics and Science
  • Raghav Kumar, NUS High School of Mathematics and Science
  • Wang Yunxi, Raffles Institution
Led by
  • Assistant Professor Tan Yong Zi, National University of Singapore
  • Dr Theresa Su, National University of Singapore
  • Mr Cameron Goh Jing Han, Singapore Institute of Biology
  • Ms Mavis Lee Yun Ying, Singapore Institute of Biology
  • Ms Xu Ruiping, Ministry of Education

57th International Chemistry Olympiad (IChO)3

3. The Singapore team won one Gold medal and three Silver medals at the 57th IChO held in Dubai, United Arab Emirates, from 5 to 14 July 2025. The team emerged joint 11th out of a total of 92 countries/territories and 354 participants. Students underwent a diverse range of Chemistry tasks comprising experimental and theoretical components. In the experimental component, students had to synthesise compounds, perform quantitative analysis, and determine the identity of unknown species. In the theoretical component, students were required to solve problems related to biochemistry, physical chemistry, inorganic chemistry, and organic chemistry.

Gold medallist
  • Toh Ka Hing Leonard, Raffles Institution
Silver medallists
  • Lai Li Hang Damien, Raffles Institution
  • Sng Josh, NUS High School of Mathematics and Science
  • Yeo Tun Seng, Hwa Chong Institution
Led by
  • Dr Li Wei, NUS High School of Mathematics and Science
  • Dr Tan Wee Boon, National University of Singapore
  • Dr Zhang Sheng, National University of Singapore
  • Mr Teng Guan Foo, Ministry of Education

21st International Geography Olympiad (iGeo) 2025 4

4. The Singapore team won one Gold medal, one Silver medal and two Bronze medals at the 21st iGeo held in Bangkok, Thailand from 26 July to 1 August 2025. The team emerged 5th out of 47 teams and 187 participants. The competition covered a wide range of geographical knowledge and skills comprising a written response test, a fieldwork test and a multi-media test. In the written response test, students were assessed on their knowledge about geographically and socially relevant issues. The fieldwork test required students to keenly observe their surroundings, apply geographical skills like mapping, and think inventively to complete assigned tasks. The multi-media test challenged students to think critically and apply their geographical thinking skills in their analysis.

Gold medallist
  • Ryaen Peter Lo Khye Ern, Eunoia Junior College
Silver medallist
  • Ong Jing Kai Eldric, Raffles Institution
Bronze medallists
  • Khoo Soo Yin Cherie, Raffles Institution
  • Yap Fei Ran, Raffles Institution
Led by
  • Ms Lim En Qi, Ministry of Education
  • Mr Nicholas Low, Ministry of Education

66th International Mathematical Olympiad (IMO) 2025 5

5. The Singapore team won three Gold medals, two Silver medals and one Bronze medal at the 66th IMO held in Sunshine Coast, Queensland, Australia, from 10 to 20 July 2025, emerging 8th out of a total of 110 countries/territories. A total of 630 participants took part in the IMO, tackling six challenging problems that required a high level of creativity in areas such as number theory and geometry.

Gold medallists
  • Tey Yi Xiang, Hwa Chong Institution
  • Yang Yihan, Raffles Institution
  • Zhao Yaoqi, Hwa Chong Institution
Silver medallists
  • Gao Zixiang, NUS High School of Mathematics and Science
  • Zhang Juntao, Raffles Institution
Bronze medallist
  • Akash Thiagarajan, NUS High School of Mathematics and Science
Led by
  • Assistant Professor Soh Yong Sheng, National University of Singapore
  • Honorary Fellow Associate Professor Wong Yan Loi, National University of Singapore
  • Mr Tan Chik Leng, Nanyang Girls' High School

2nd International Nuclear Science Olympiad (INSO) 2025 6

6. The Singapore team won four Gold medals, received a special award for achieving the Highest Score in the Theoretical Examination, and a team member received the title of Nuclear Ambassador (highest score in the competition) at the 2nd INSO in Bangi, Selangor, Malaysia from 30 July to 6 August 2025. The event saw participation from 55 students representing 14 countries, who tackled two problems in an experimental exam and five problems in a theoretical examination. The competition focused on the peaceful applications of nuclear science and technology, including topics such as in medical detection and treatment of cancer, generating power for instrument in space, nuclear fission discovery and control, radioactivity in the environment, and nuclear reactor science and technology.

Gold medallists
  • Dhanasekaran Mohnishbala, Raffles Institution
  • Phoon Jun Yan, St Andrew's Junior College
  • Wang Yunze, Raffles Institution
  • Toh Shiong Enn, Sean, NUS High School of Mathematics and Science
Highest Score in the Theoretical Examination
  • Wang Yunze, Raffles Institution
Nuclear Ambassador
  • Wang Yunze, Raffles Institution
Led by
  • Dr Darryl Foo Chuan Wei, Singapore Nuclear Research and Safety Institute, National University of Singapore
  • Dr Ong Kay Chen Theodore, Singapore Nuclear Research and Safety Institute, National University of Singapore
  • Dr Tan Zi Liang, Singapore Nuclear Research and Safety Institute, National University of Singapore
  • Mr Lin Yicheng Kelvin, Ministry of Education

2nd International Olympiad Artificial Intelligence (IOAI) 7

7. The Singapore team won two Gold medals and five Silver medals out of 284 participants in the Individual Contest at the 2nd IOAI held in Beijing, China from 2 to 9 August 2025. The IOAI's Individual Contest required participants to understand core concepts and theoretical underpinnings behind AI as well as to demonstrate practical skills necessary to implement AI methods in code. Singapore was also announced to be the host of the 4th IOAI in 2027.

Gold medallists (Individual Contest)
  • Kieran Chai Kai Ren, NUS High School of Mathematics and Science
  • Wang Jiayu, NUS High School of Mathematics and Science
Silver medallists (Individual Contest)
  • Shine Xu Jiajing, NUS High School of Mathematics and Science
  • Wang Enrun Matthias, Raffles Institution
  • Wang Zerui, NUS High School of Mathematics and Science
  • Wong Yue Heng, NUS High School of Mathematics and Science
  • Zhang Yihao, Hwa Chong Institution
Led by
  • Assistant Professor Pan Xingang, Nanyang Technological University
  • Mr Ong Chin Ann, Nanyang Technological University
  • Mr Li Da, NUS High School of Mathematics and Science

37th International Olympiad in Informatics (IOI) 2025 8

8. The Singapore team won two Gold medals and two Silver medals at the 37th IOI held in Sucre, Bolivia from 27 July to 3 August 2025. The team emerged 5th out of a total of 84 countries/territories and 330 participants. Students were challenged to design and implement efficient algorithms and data structures to overcome complex computational problems.

Gold medallists
  • Brian Xiao Boyang, Raffles Institution
  • Sun Beichen, Hwa Chong Institution
Silver medallists
  • Ang Wei Bin, NUS High School of Mathematics and Science
  • Siew Jing Hong, NUS High School of Mathematics and Science
Led by
  • Mr Ashley Aragorn Khoo, National University of Singapore
  • Mr Ma Zhou, Hwa Chong Institution
  • Mr Samuel Tan Woon Min, Ministry of Education

55th International Physics Olympiad (IPhO) 2025 9

9. The Singapore team won one Gold medal and four Silver medals at the 55th IPhO held in Paris, France from 18 to 24 July 2025. The team emerged joint 10th out of a total of more than 90 countries/territories and 440 candidates. The students participated in a 5-hour experimental test which required them to carry out measurements on concrete physical phenomena, and a 5-hour theoretical test which required students to model and solve complex problems.

Gold medallist
  • Teo Kai Wen, Raffles Institution
Silver medallists
  • Eng Cheng Le, NUS High School of Mathematics and Science
  • Matteo Jude Wee Sze Yu, Raffles Institution
  • Raphael Teng Zhi Xiang, NUS High School of Mathematics and Science
  • Tan E-Jie, NUS High School of Mathematics and Science
Led by
  • Dr Ching Chee Leong, Singapore University of Technology and Design
  • Dr Nidhi Sharma, National University of Singapore
  • Dr Ronald Chan, A*STAR Institute of High Performance Computing
  • Mrs Fabiola Soong, Institute of Physics Singapore
  • Mr Oh Jin Sheng, Ministry of Education

38th International Young Physicists' Tournament (IYPT) 2025 10

10. The Singapore team clinched the overall Champion out of 35 countries at the International Young Physicists' Tournament hosted at Lund, Sweden, from 29 June to 6 July 2025. The team also came in 1st in the preliminary fights. During the competition, participants solved complicated real-world Physics problems and shared their ideas through rigorous scientific research and discussions.

Champion (Team)
  • Austin Liu Zi Rui, Raffles Institution
  • Jonathan Huang Kaijie, NUS High School of Mathematics and Science
  • Kabilan Ezhilarasan, NUS High School of Mathematics and Science
  • Tan Yixuan Lucas, Raffles Institution
  • Wang Duanyu, Raffles Institution
Led by
  • Dr Chang Sheh Lit, Singapore Polytechnic
  • Mr Chen Guangyuan, IYPT Coach
  • Mr Lim Wei Hao, Ministry of Education
  • Mr Sze Guan Kheng, Raffles Institution
Footnotes
  1. Our students' participation in these international competitions is a joint effort between MOE and the following organisations: Singapore Mathematical Society; Singapore Institute of Biology; Institute of Physics, Singapore; DSO National Laboratories; Singapore National Institute of Chemistry; National University of Singapore; Nanyang Technological University; National Institute of Education, Nanyang Technological University and AI Singapore.
  2. Please refer to for more information on 36th IBO.
  3. Please refer to for more information about the 57th IChO.
  4. Please refer to for more information about the 21st iGeo.
  5. Please refer to for more information about the 66th IMO.
  6. Please refer to for more information about the 2nd INSO.
  7. Please refer to for more information about the 2nd IOAI 2025.
  8. Please refer to for more information about the 37th IOI.
  9. Please refer to for more information about the 55th IPhO.
  10. Please refer to for more information about the 38th IYPT.