Innovation
International Junior Science Olympiad (IJSO) 2026
International Junior Science Olympiad
An annual individual and team competition in the Natural Sciences for young students, held in Sofia, Bulgaria in 2026.
Who can apply
Students who are under sixteen years old on 31st December of the competition year.
Why explore it
Offers international competitive experience in the Natural Sciences and encourages scientific development and collaboration.
What you will need
Check the organiser's website for the latest application requirements.
FormatCheck official page · Sofia, Bulgaria
Time2 hrs/week
FeeCheck official page
For parents
Dates, fees and eligibility can change. Confirm the latest details with the organiser before applying.
Reviewed information
We reviewed this opportunity against the organiser's website. Details can change, so confirm them before applying.
Last checked 25 Sept 2026