HIMATIKA ITS (Departemen Matematika, Institut Teknologi Sepuluh Nopember)
ITS's national mathematics olympiad for SD, SMP and SMA students, run by HIMATIKA ITS since 2004. OMITS 19th (2026) has ended; the 20th edition has not been announced yet.
Korea's national mathematical olympiad run by the Korean Mathematical Society, with junior and senior divisions; it is the first step toward the Korean team for the International Mathematical Olympiad (IMO).
Fan olimpiadalari markazi (Ixtisoslashtirilgan taʼlim muassasalari agentligi)
An annual international junior-level olympiad in mathematics and informatics hosted in Uzbekistan by the Fan olimpiadalari markazi; Uzbek pupils compete as members of Uzbekistan's team. The 4th edition took place in June 2026 and the organisers say they will return next year.
Homi Bhabha Centre for Science Education, TIFR (HBCSE)
The second stage of the Biology Olympiad programme, run by HBCSE for students shortlisted from NSEB 2026, leading to the OCSC selection camp and the International Olympiad.
Fan olimpiadalari markazi (Ixtisoslashtirilgan taʼlim muassasalari agentligi)
A state olympiad for final-year (11th-grade) pupils in engineering and invention, held separately for boys and girls; republican winners can enter matching bachelor's programmes at state universities without exams on an additional state grant.
Indian Association of Physics Teachers (IAPT), for the HBCSE National Olympiad Programme
The first stage of India's Biology Olympiad pathway: a two-hour national exam organised by the Indian Association of Physics Teachers for Class 10-12 students, leading to INBO and the OCSC selection camp.
TÜBİTAK Bilim İnsanı Destek Programları Başkanlığı (BİDEB)
TÜBİTAK's national Biology olympiad: a first-stage multiple-choice exam held in all 81 provincial centres, followed by a summer school, second-stage exam, national medals, winter school and team selection for regional and international olympiads.
Singapore Institute of Biology (SIBiol), supported by MOE, NUS and NIE
Annual national biology olympiad for top junior-college biology students; medallists can be shortlisted, trained by NUS and NIE academics and selected for the International Biology Olympiad team.
Homi Bhabha Centre for Science Education, TIFR (HBCSE)
The second stage of the Astronomy Olympiad programme, run by HBCSE for students shortlisted from NSEA 2026, leading to the OCSC selection camp and the International Olympiad.