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Who are we?

Organizing Center for STEM Olympiad (OCSO) is an organization engaged in STEM development to create 21st century skills (critical thinking, creative thinking, collaborations, communication and computational thinking) through competitions, contests and olympiads. The concept of this organization is how to carry out the STEM Olympiad to create 21st century skills (critical thinking, creative thinking, collaborations, communication and computational thinking).

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Award of the Lavoisier International Chemistry Olympiad (LIChO) 2025

Here we announce the results of the Lavoisier International Chemistry Olympiad (LIChO) 2025. We hope this will make your school, family and country proud. See you at LIChO 2025.

Asian Chemistry Olympiad (AChO)

Chemistry competition program for students in Asia and around the world. Held every January every year.

International Life Science Olympiad (ILSO)

Life Science (Biology and Chemistry) competition program for students from Asia and around the world. Held every May every year.

World Young Mathematics Olympiad (WYMO)

Mathematics competition program for students in Asia and around the world. Held every August every year.

World Young Physicist Olympiad (WYPO)

Physics competition program for Asian and worldwide students. Held every November every year.

Find out about our upcoming events

We are open to programs from us and from our alliance members. Please visit to learn more about STEM development programs.

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International Team Biology Challenge (ITBC)

ITBC is a team olympiad in biology for students around the world. Solve high-level biology problems in groups and solve them together.

International Modern Physics Olympiad (IMPhO)

IMPhO is a modern physics competition for students all over the world. They will work on modern physics problems that are very challenging and require precision and critical thinking.

International Student Research and Innovation Fair (ISRIF)

ISRIF is a research and innovation competition for students around the world that is done individually or in teams. They will present their research projects in front of a panel of judges.

Recent Blog Posts

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Why STEM Competitions Matter — And How They Sharpen Students’ Skills

Why STEM Competitions Matter — And How They Sharpen Students’ Skills

OCSO Article

In a world increasingly shaped by technology, data, and complex global challenges, academic excellence alone is no longer enough. What the world trul…

Award of the Lavoisier International Chemistry Olympiad (LIChO) 2025

Award of the Lavoisier International Chemistry Olympiad (LIChO) 2025

OCSO Program

Here we announce the results of the Lavoisier International Chemistry Olympiad (LIChO) 2025 . We hope this will make your school, family and country …

Finalist of the Lavoisier International Chemistry Olympiad (LIChO) 2025

Finalist of the Lavoisier International Chemistry Olympiad (LIChO) 2025

OCSO Announcement

Congralutation for your achievement in qualifying for the  Lavoisier International Chemistry Olympiad (LIChO) 2025. Please click on the link below to…