OIS 2025/26

845 teams from 220 schools participated in this edition of the OIS, scoring a total of 265429 points on 27 tasks.

Highlights

1. Bipartite Subgraphs is the most difficult task of this edition.
2. Banfi, Vimercate is the institute with the most points (7667).
3. Lombardia is the region with the most points (49481).
4. Ebesfenomegalodante is the team with the best awards.