International Junior Science Olympiad (IJSO)
STEMIJSO 2026 (Bulgaria)approximate
December 2, 2026 (UTC+2)
An annual science olympiad for students under sixteen, combining theory and practical tests across biology, chemistry and physics. Around 50 member countries send national delegations, selected through their own junior science olympiad.
Registration
- Format
- In person
- Age
- 10-15
- Participation
- Individual or team
- Location
- International
- Entry fee
- Free
- Prize
- Individual gold, silver and bronze medals plus team awards.
Timeline
- IJSO 2026 (Bulgaria)approximateDecember 2, 2026 (UTC+2) source
Country pathways
Real national qualifier pathways into this competition, where one exists.
India official site
- National Standard Examination in Junior Science (NSEJS)approximateNovember 22, 2026 source