# Iranian Biology Olympiad (IrBO)

National biology competition in Iran that selects and trains top high school students for the International Biology Olympiad.

## Key facts

| Field | Value |
| --- | --- |
| Organization | Iranian National Organization for Development of Exceptional Talents (NODET) |
| Category | other |
| Cost | Free |
| Deadline | 2026-12-15 |
| Eligibility | Grades 9–12 |
| Format | In person |
| Location | Check official site |
| Apply | https://yeolymp.ir/olympiads/biology |

## About this program

The Iranian Biology Olympiad (IrBO) is a selective, nationwide academic competition in Iran designed to identify and train outstanding high school students in biology. It is organized by the Iranian National Organization for Development of Exceptional Talents (NODET) as part of Iran’s broader science Olympiad program, and serves as the pathway for selecting the national team for the International Biology Olympiad (IBO).

The competition is typically open to academically strong secondary students (generally equivalent to upper high school grades), who progress through multiple stages of rigorous written theory exams and, for top candidates, practical laboratory rounds and intensive training camps. Participants deepen their understanding of key biology fields such as cell biology, genetics, physiology, ecology, and evolution, while developing scientific thinking, problem-solving, and experimental skills. High-ranking students may earn national recognition, medals, and the opportunity to represent Iran at the IBO.

## Frequently asked questions

### How much does Iranian Biology Olympiad (IrBO) cost?

Iranian Biology Olympiad (IrBO) is completely free — there is no participation fee. Costs like travel or optional materials may still apply; check the official site for details.

### What is the application deadline for Iranian Biology Olympiad (IrBO)?

The application deadline is December 15, 2026. Always confirm on the program's official site, as dates can shift between cycles.

### Who is eligible for Iranian Biology Olympiad (IrBO)?

Iranian Biology Olympiad (IrBO) is open to high school students in grades 9–12. Some programs have additional requirements (GPA, coursework, essays, or recommendations) — the full criteria are on the official site.

### Is Iranian Biology Olympiad (IrBO) online or in person?

Iranian Biology Olympiad (IrBO) is an in-person program.

### How do I apply to Iranian Biology Olympiad (IrBO)?

Apply directly through Iranian National Organization for Development of Exceptional Talents (NODET)'s official website. ExtracurricularHub links to the official application — we list and verify programs but don't process applications.

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Last updated: 2026-07-04.
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