# International Olympiad in Informatics (IOI)

Qualify via national computing Olympiad selection; annual international finals.

## Key facts

| Field | Value |
| --- | --- |
| Organization | International Olympiad in Informatics |
| Category | stem |
| Cost | Free |
| Deadline | 2026-08-09 |
| Eligibility | Grades 9–12 |
| Format | Hybrid (in person + online) |
| Location | Check official site |
| Apply | https://ioinformatics.org/ |

## About this program

The **International Olympiad in Informatics (IOI)** is one of the most prestigious global competitions in algorithmic problem solving and programming for high school students. Participants qualify through their country’s **national computing Olympiad** or equivalent selection process, then represent their nation at the annual international finals. The IOI focuses on designing efficient algorithms, writing correct and optimized code, and reasoning rigorously under time constraints.

This program is best suited for students who enjoy **competitive programming**, mathematics, and logical problem solving, and who are motivated to study topics such as data structures, graph theory, and dynamic programming beyond the standard school curriculum. Applicants should be prepared for intensive training and practice, often through national camps, online judges, and past contest problems.  

Participation, especially at the national team level, is a strong indicator of **academic excellence** and can significantly enhance college applications, particularly for computer science, mathematics, and engineering programs. Colleges and scholarship committees recognize the IOI as evidence of advanced technical ability, persistence, and independent learning. Even students who do not reach the international stage gain substantial benefits from the preparation process, including stronger programming skills, exposure to advanced concepts, and connection with a global community of like-minded peers. For more information on structure, past contests, and eligibility, visit the official website.

## Frequently asked questions

### How much does International Olympiad in Informatics (IOI) cost?

International Olympiad in Informatics (IOI) 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 International Olympiad in Informatics (IOI)?

The application deadline is August 9, 2026. Always confirm on the program's official site, as dates can shift between cycles.

### Who is eligible for International Olympiad in Informatics (IOI)?

International Olympiad in Informatics (IOI) 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 International Olympiad in Informatics (IOI) online or in person?

International Olympiad in Informatics (IOI) is a hybrid program with both online and in-person components.

### How do I apply to International Olympiad in Informatics (IOI)?

Apply directly through International Olympiad in Informatics'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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