IJSO 2025 in Sirius has come to an end — but for its participants, this is only the beginning. Over the past week, students from more than 20 countries completed the experimental, theoretical, and MCQ rounds, each combining tasks in physics, chemistry, and biology. Today, we are pleased to share the final results.
Team ranking
🥇 Gold — Russian Federation
🥈 Silver — Russian Federation
🥉 Bronze — Chinese Taipei
🏆 Best team of IJSO 2025 — Russian Federation
Artem Akimov
Danila Besedin
Ivan Ermolaev
Artem Eremin
Arsenii Gasanenko
Anna Mikhailova
👑 Overall winner of IJSO 2025
Arsenii Gasanenko
🥇 Gold medals
Russian Federation — 7
Chinese Taipei — 4
Republic of India — 2
Kingdom of Thailand — 1
🥈 Silver medals
Russian Federation — 2
Republic of Azerbaijan — 4
Republic of Kazakhstan — 3
Hungary — 2
Socialist Republic of Vietnam — 3
Republic of Uzbekistan — 1
Republic of Indonesia — 1
Republic of India — 4
Kingdom of Thailand — 5
Chinese Taipei — 2
🥉 Bronze medals
State of Qatar — 2
Republic of Uzbekistan — 3
Republic of Azerbaijan — 2
Republic of Colombia — 3
Republic of Iraq — 1
Kyrgyz Republic — 1
Republic of Indonesia — 5
Republic of Kazakhstan — 3
Socialist Republic of Vietnam — 3
Hungary — 4
Republic of Tajikistan — 1
Republic of North Macedonia — 4
Republic of Costa Rica — 1
Islamic Republic of Pakistan — 1
People’s Republic of Bangladesh — 6
Sultanate of Oman — 1
Kingdom of Saudi Arabia — 1
Congratulations to all participants!
Your dedication, curiosity, and passion for science have made this year’s IJSO unforgettable. May this experience inspire great discoveries ahead.
IJSO 2025 was organized by the Ministry of Education of the Russian Federation, the Talent and Success Educational Foundation, and the Moscow Institute of Physics and Technology, with support from the administration of the Sirius Federal Territory.