Welcome!

The International Mathematics and Science Olympiad (IMSO) is a prestigious annual competition for primary school students (aged ≤13) that promotes academic excellence in STEM fields while fostering international friendship through education.

UPDATE: 10 Oct 2025:

Official and Updated information on the 22nd IMSO 2025:

https://imso-official.org/

https://22imso.com/

Official Videos from the Organisers

Results and Closing Ceremony

https://youtu.be/iWRgbnMvp70

Best Overall (Maths)

https://youtu.be/iWRgbnMvp70?t=5153

Best Theory (Maths)

https://youtu.be/iWRgbnMvp70?t=4856

Best Exploration (Maths)

https://youtu.be/iWRgbnMvp70?t=4941

Maths - Gold Medal

https://youtu.be/iWRgbnMvp70?t=4136

Maths - Silver Medal

https://youtu.be/iWRgbnMvp70?t=3543

Maths - Bronze Medal

https://youtu.be/iWRgbnMvp70?t=2528

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Best Overall (Science)

https://youtu.be/iWRgbnMvp70?t=5216

Best Theory (Science)

https://youtu.be/iWRgbnMvp70?t=4988

Best Experiment (Science)

https://youtu.be/iWRgbnMvp70?t=5087

Science - Gold Medal

https://youtu.be/iWRgbnMvp70?t=4318

Science - Silver Medal

https://youtu.be/iWRgbnMvp70?t=3812

Science - Bronze Medal

https://youtu.be/iWRgbnMvp70?t=3110

STEM activities

https://youtu.be/iWRgbnMvp70?t=4465

International Cultural Night | IMSO 2025

https://www.youtube.com/watch?v=-Jpe8J9bsAE

Opening Ceremony

https://www.youtube.com/watch?v=vJwcGxa1ayA

The 22nd IMSO 2025 Malaysia was held from 5-9 October 2025,

at AlBukhary International University,

in Alor Setar, Kedah - Malaysia.

IMSO 2026 will be held in Indonesia.

ABOUT

The International Math and Science Olympiad (IMSO) is a global competition in Mathematics and Science for students under the age of 13.

BACKGROUND

It was initiated by the Ministry of National Education, Indonesia in 2003 (which was then called AMSO - ASEAN Mathematics and Science Olympiad) with the aim of developing primary school pupils' talent and interest in Mathematics and Science, and motivating them to develop their intellectual capacity and skills in these subjects.

2024

The most recent edition of the IMSO was held in Wenzhou, China in October 2024. The contest attracted 263 participants from 18 countries. (Botswana, Bulgaria, India, Indonesia, Iran, Kazakhstan, Laos, Malaysia, Mongolia, Nepal, the Philippines, Singapore, Sri Lanka, Tajikistan, Thailand, Vietnam, Hong Kong and host China.)