Skip to content
Presisi Academy

Primary School

OSN Coaching SD

Building mathematical and scientific reasoning from an early age.

Preparing for OSN Primary at Presisi

OSN Primary at Presisi Academy

OSN Primary training helps students prepare for the selection from district/city to national level. Available fields: Mathematics, Science and Social Studies.

Each field has its own page with the topic scope, official guide, a worked example, and how progress is evaluated.

Selection stages

  • OSN-S (school): an internal selection where schools register their representatives per field.
  • OSN-K (district/city): the first selection stage, open to students from schools across Indonesia.
  • OSN-P (provincial): for the best students from the district/city stage, with deeper problems.
  • OSN-N (national): the peak of the selection for top provincial scorers, which can include a semifinal and a final.

Questions about OSN Primary

01Which fields are in OSN Primary?

The OSN Primary fields we coach: Mathematics, Science and Social Studies.

02Can Primary beginners join the training?

Yes. Training starts with a starting-skill diagnosis and concept building before selection-level practice.

03How do I register for OSN Primary training?

Contact our team through the contact page or WhatsApp for a consultation and class information.