2025 Indonesia National Science Olympiad
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Date21 - 27 September 2025 (SD & SMP)
6 - 12 October 2025 (SMA)
Host(s)Jakarta (SD & SMP)
Malang (SMA)
VenueNovotel Mangga Dua Square (SD & SMP)
Universitas Muhammadiyah Malang (SMA)
ChampionsDKI Jakarta
| 2025 | |
| Tournament information | |
|---|---|
| Date | 21 - 27 September 2025 (SD & SMP) 6 - 12 October 2025 (SMA) |
| Host(s) | Jakarta (SD & SMP) Malang (SMA) |
| Venue | Novotel Mangga Dua Square (SD & SMP) Universitas Muhammadiyah Malang (SMA) |
| Final positions | |
| Champions | DKI Jakarta |
The 2025 Indonesia National Science Olympiad (Indonesian: Olimpiade Sains Nasional 2025) was the 24th edition of the Indonesia National Science Olympiad. The finals of the event were held in Jakarta at Novotel Mangga Dua Square for the SD (elementary school) and SMP (junior high school) levels,[1] and in Malang at the Muhammadiyah University of Malang for the SMA (senior high school) level.[2]
DKI Jakarta were overall champions.
In 2025, the semi final stage was reintroduced.
| Dates | Stage | Venue |
|---|---|---|
| 11 - 12 June 2025 | City/Regency level | Online |
| 6 - 7 August 2025 | Province level | Online |
| 10 September 2025 | Semi Finals | Online |
| 21 - 27 September 2025 | Finals | Novotel Mangga Dua Square |
| Dates | Stage | Venue |
|---|---|---|
| 17 - 18 June 2025 | City/Regency level | Online |
| 13 - 14 June 2025 | Province level | Online |
| 10 September 2025 | Semi Finals | Online |
| 21 - 27 September 2025 | Finals | Novotel Mangga Dua Square |
| Dates | Stage | Venue |
|---|---|---|
| 24 - 25 June 2025 | City/Regency level | Online |
| 19 - 21 August 2025 | Province level | Online |
| 11 September 2025 | Semi Finals | Online |
| 6 - 12 October 2025 | Finals | Universitas Muhammadiyah Malang |