Explore Top Competitions with helpful guides in this blog!

Enhance your knowledge and skills in the field while showcasing your talent and passion.

For high school students passionate about academics, Olympiad contests provide a platform to showcase skills and compete internationally.

Below are the top 10 Olympiad contests for 2025, covering a range of subjects from mathematics to economics.

International Mathematical Olympiad (IMO) Description:The IMO is the world’s most prestigious math competition, challenging students with complex problems that test their creativity and analytical skills.

Held annually since 1959, it attracts the brightest young mathematicians from over 100 countries.

Eligibility:High school students under 20 years old who have not started university.

Prizes:Gold, silver, and bronze medals; certificates of participation.

International Physics Olympiad (IPhO) Description:The IPhO is a global competition where students tackle challenging theoretical and experimental physics problems.

This contest pushes participants to apply their knowledge and problem-solving abilities in novel situations.

Eligibility:High school students under 20 years old who have not entered university.

Prizes:Gold, silver, and bronze medals; certificates of participation.

International Chemistry Olympiad (IChO) Description:The IChO brings together the top chemistry students worldwide to solve complex theoretical and practical chemistry problems.

This competition fosters a deeper understanding of chemistry and encourages collaboration among young scientists.

Eligibility:High school students under 20 years old who have not started university.

Prizes:Gold, silver, and bronze medals; certificates of participation. https://youtu. be/h7OlgFLByK8?si=HQQKOyw9pN61zhqA STEM Programs & Competitions for High Schoolers International Biology Olympiad (IBO) Description:The IBO challenges students with rigorous tasks in biology, including practical and theoretical problems.

The competition aims to promote interest in the life sciences and encourage young biologists to excel.

Eligibility:High school students under 20 years old who have not entered university.

Prizes:Gold, silver, and bronze medals; certificates of participation.

International Geography Olympiad (iGeo) Description:The iGeo is a competition that tests students on their geographical knowledge and skills through written and multimedia tasks, fieldwork exercises, and geographic analyses.

It encourages a deeper understanding of global issues and geographical phenomena.

Eligibility:High school students under 20 years old who have not started university.

Prizes:Gold, silver, and bronze medals; certificates of participation.

International Olympiad on Astronomy and Astrophysics (IOAA) Description:The IOAA is an international competition where students explore the mysteries of the universe through theoretical, observational, and data analysis tasks in astronomy and astrophysics.

It promotes an interest in space science and astronomy.

Eligibility:High school students under 20 years old who have not entered university.

Prizes:Gold, silver, and bronze medals; certificates of participation.

FREE Student STEM Guide with 50+ opportunities, competitions, and more!

List of 20+ International Competitions ISEF 2025 Information International Economics Olympiad (IEO) Description:The IEO challenges students with tasks related to economics, finance, and business, requiring both theoretical knowledge and practical problem-solving skills.

This competition prepares students for careers in economics and business by encouraging innovative thinking.

Eligibility:High school students under 20 years old who have not started university.

Prizes:Gold, silver, and bronze medals; certificates of participation.

International History Olympiad (IHO) Description:The IHO is a global competition that tests students on their knowledge of history through exams, quizzes, and creative challenges.

It aims to deepen students’ understanding of history and its impact on the world.

Eligibility:High school students from various educational backgrounds.

Prizes:Gold, silver, and bronze medals; certificates of participation.

International Research Olympiad (IRO) Description:The IRS is a research-based competition that encourages students to conduct independent scientific research in various disciplines.

It provides a platform for young researchers to present their work to an international audience, fostering innovation and scientific inquiry.

Eligibility:High school students under 20 years old who have not entered university.

Prizes:Awards for best research projects; opportunities for publication and scholarships.

International Linguistics Olympiad (IOL) Description:The IOL challenges students with problems that involve deciphering and analyzing unfamiliar languages.

It tests logical thinking and linguistic aptitude, encouraging participants to delve into the intricacies of language and communication.

Eligibility:High school students under 20 years old who have not started university.

Prizes:Gold, silver, and bronze medals; certificates of participation.

More STEM Competitions Rishab Jain, who won at ISEF, has achieved success in numerous research competitions and undertaken several research projects during his high school years.

His FREE Student STEM guide has a list of 50+ opportunities and competitions!

And sign up for International Research Olympiad 2025 now!.