OSN SMA
OSN Coaching Biology SMA
Understanding living things through experimental data.
Biology Senior High coaching builds conceptual understanding first, then trains reasoning through graded problems, from school level to the OSN selection.
Who it's for
Senior High students who want to take part in the OSN Biology field, whether beginners or returning participants.
Stages & test format
OSN-S (School)
January – February 2026Selection at each school; schools register up to 5 students per field.
OSN-K (District/City)
18–19 June 202650 questions true/false items
Duration: 3 hours
OSN-P (Province)
27–29 July 202650 questions true/false items
Duration: 3 hours
National Semifinal
12 August 202650 questions true/false items
Duration: 3 hours
National Final
14–20 September 2026 (in person)Day 1: practical 4 topics · Day 2: teori 2 packages
Duration: 4 × 90 minutes · 2 × 3 hours
Official syllabus
Theory test
- Cell & molecular biology
- Plant anatomy & physiology
- Animal anatomy & physiology
- Genetics & evolution
- Ecology
- Ethology
- Biosystematics
Practical test
- Molecular biology & biochemistry
- Animal anatomy & physiology
- Bioinformatics (plant computational biology)
- Animal morphology & systematics
Assessment
Weekly practice with explanations
Short quizzes per topic
Official-style selection simulations
Source: 2026 OSN Guidelines for Senior High (Pusat Prestasi Nasional). Dates may change, always check official Puspresnas announcements.
FAQ OSN Biology SMA
01What does OSN Biology SMA cover?
Theory test: Cell & molecular biology; Plant anatomy & physiology; Animal anatomy & physiology; Genetics & evolution; Ecology; Ethology; Biosystematics. Practical test: Molecular biology & biochemistry; Animal anatomy & physiology; Bioinformatics (plant computational biology); Animal morphology & systematics
02What are the OSN Biology SMA stages and formats?
OSN-S (School) (January – February 2026): Selection at each school; schools register up to 5 students per field.. OSN-K (District/City) (18–19 June 2026): 50 questions true/false items, 3 hours. OSN-P (Province) (27–29 July 2026): 50 questions true/false items, 3 hours. National Semifinal (12 August 2026): 50 questions true/false items, 3 hours. National Final (14–20 September 2026 (in person)): Day 1: practical 4 topics · Day 2: teori 2 packages, 4 × 90 minutes · 2 × 3 hours.
03Who is OSN Biology SMA training for?
Senior High students who want to take part in the OSN Biology field, whether beginners or returning participants.
04Is there online OSN Biology SMA training?
Yes. OSN Biology SMA training at Presisi Academy runs online with live classes, graded practice, and selection simulations. In-person classes are coming soon.