Kazakhstan Internet Olympiads (KIO) Organizing Committee
Take a 60-minute online olympiad in Self-Knowledge (Samopoznanie), a Kazakhstan school subject, in Kazakh or Russian at any time within a four-week window.
The Chemical Institute of Canada’s national high-school chemistry contest, written online at school; the first step toward the Canadian Chemistry Olympiad.
Kanguru Matematik Türkiye (Association Kangourou sans Frontières Türkiye temsilcisi)
The Türkiye edition of the international Kangaroo mathematics contest for grades 1-12, held on the same week in over 100 countries; registration for 2027 is open until 31 December 2026.
National Institute of Education (NIE), Nanyang Technological University
NIE's national linguistics olympiad: solve self-contained puzzles about real languages using logic alone; no prior knowledge of linguistics or foreign languages is needed.