International Greenwich Olympiad (IGO)
Catalog organization: North London Grammar School
Compiled by: ExtracurricularHub Editorial Team — editorial policy
Last updated
What Is International Greenwich Olympiad (IGO)?
International Greenwich Olympiad is a North London Grammar School project competition for ages 10–19, spanning scientific and nonscientific categories. Junior entrants are ages 10–14 and seniors 15–19. An adult supervisor registers individual students or teams, generally up to three students, or seven for performance art. One supervisor aged 20 or older may oversee up to six students. Projects must be original and use English for judging.
IGO 2027 registration closes March 1. Online-entry video is due April 23, followed by online judging May 8; the London programme runs June 20–26. These are calendar dates without published cutoff clocks. The published £35 nonrefundable registration is separate from participation packages. Prior accepted fee guidance lists £100 digital participation, £900 visiting participation and £1,790 residential participation; confirm the chosen package, inclusions and any additional travel, visa or supervisor costs before paying. Awards and finalist selection are competitive.
International Greenwich Olympiad (IGO) Key Facts: Cost, Deadline, and Eligibility
| Cost | Varies — see Cost and funding |
|---|---|
| Format | Hybrid |
| Eligibility | Ages 10–19 |
| Application deadline | March 1, 2027 |
| Listing last updated | August 30, 2026 |
Program details shown here reflect the current catalog record.
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How to Apply to International Greenwich Olympiad (IGO)
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