The Olympiad Science National (OSN) 2019 was held in Manado, North Sulawesi.
Kesatuan Bangsa Schools sent 7 Olympiad students and all of them got medals.
The name of Medalists
1. Billie Hartanto (Silver Medal - Mathematics)
2. Daud Muhammad Azhari (Silver Medal - Physics)
3. Glady Sajidah Zahra (Silver Medal - Earth Science)
4. Aisyah Aurelia Aziz (Bronze Medal - Economics)
5. Tahta Aulia Kusuma Arifin (Bronze Medal - Mathematics)
6. Ryan Andri Wijaya (Bronze Medal - Geography)
7. Mhammad Alsamtu Tita S.P.S (Bronze Medal- Geography).