International Biology Olympiad

Annual international biology competition with practical lab exams and a theory exam covering all areas of biology, focused on how biology works in real situations rather than memorization. Each member country sends a team of four students chosen through its national olympiad.

Offered by IBO. Competition for high school students in Worldwide. Format: In-person. Cost: Free. Grades 9–12. Deadline: rolling or not yet announced.

Fields: Biology

Key facts

Who can apply: High school students in grades 9 to 12. It takes place in person in Worldwide.
Cost: Free to take part.
Dates: No date is posted for the 2026-27 cycle yet. Check the official page for when applications open.

Info checked October 2026.

Questions about International Biology Olympiad

When is the International Biology Olympiad deadline?

No date is posted for the 2026-27 cycle yet. Check the official page for when applications open.

Is International Biology Olympiad free?

Yes. International Biology Olympiad is free to take part in.

Who can apply to International Biology Olympiad?

High school students in grades 9 to 12. It takes place in person in Worldwide. Age, residency and citizenship rules are on the official page.

Official program page

More academic competitions for high school students