International Olympiad in Informatics (IOI) vs WRO International Final
Comparing two elite STEM opportunities. Both are olympiads for high school students.
| International Olympiad in Informatics (IOI) | WRO International Final | |
|---|---|---|
| Prestige Tier | Tier 1 — Elite | Tier 2 — Highly Competitive |
| Type | Olympiad | Olympiad |
| Organization | International Olympiad in Informatics | World Robotics Olympiad (WRO) |
| Acceptance Rate | — | Extremely selective and highly competitive. Only ~500 teams qualify for International Final from 32,000+ total teams competing globally (approximately 1.5% acceptance rate to International Final). However, acceptance into national competitions is typically open to all registered teams. |
| Applicants | — | 100,000+ students participate annually in WRO competitions worldwide across 100+ countries and 32,000+ teams (2025 figures). National competition participation varies significantly by country. |
| Deadline | — | — |
| Cost to Apply | $0 | $0 |
| US Only | No / International | No / International |
| Grades | — | High school students (ages 14-19 for most categories). Future Engineers and RoboSports are 14-19 years old. RoboMission and Future Innovators have elementary (8-12), junior (11-15), and senior (14-19) divisions. |
| College Impact | — | WRO International Final qualification is a prestigious achievement in college admissions for STEM-focused schools. Reaching the International Final demonstrates exceptional technical skills, problem-s... |