IESO — International Earth Science Olympiad
Geology, meteorology and oceanography — a distinctive route for earth-science applicants.
- Natural Sciences
- Who can enter
- Secondary-school students under 19 — via national selection
- What it costs
- Free for you: entry is through your national earth-science olympiad, and team costs are covered by the host and your national organiser.
- When it closes
- We could not confirm this year's date against the organiser's own page, so we are not showing a countdown for it. Last published: Finals each August; national selection in spring.
Sending this to someone sends the four facts above, not just a name — they will see who can enter and what it costs before they decide.