Announcement
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The 23rd International Junior Science Olympiad

IJSO 2026

Sofia, Bulgaria December 2026

Announcement

Official Announcement

Upcoming Executive Committee(EC) election IJSO 2026
Call for Proposals for the Revision of the IJSO 2026 Statutes
Commencement of Registration and Crucial Guidelines for IJSO 2026
VISA requirements for visiting Bulgaria

IJSO 2026 · Sofia, Bulgaria · 23rd International Junior Science Olympiad