International Earth Science Olympiad (IESO)
Team and individual tasks covering geology, meteorology, oceanography, astronomy. National selection required.
Sourced from the official program page. Where a field says Not confirmed, we couldn't verify it — check the official site before applying.
- Location
- Various
- Duration
- Not confirmed — check the official program page.
- Deadline
- National selection spring
- Grades
- 9, 10, 11, 12
- Format
- in-person
- Cost
- Free
A general prep list — the official program page is always the source of truth. Your ticks are saved on this device only.
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AMC 10/12
The entry-level American Mathematics Competition. Top scorers qualify for AIME and the path to the USAMO. Open to all US high schoolers; school registration required.
How to think about programs like this.
This guidance is general and may not reflect this program's exact selection process. Always confirm details on the official program page before applying.
Atlas guidance is written from public information about programs in this category. It is not a promise about International Earth Science Olympiad (IESO)'s actual selection process.