SOF National Science Olympiad (NSO)
Organised by Science Olympiad Foundation (SOF)Official Website ↗
India's largest school science olympiad by SOF. Tests Science concepts at class level plus higher-order thinking. Millions of students annually. Two levels.
Eligibility
Class 1–12, all boards
Fee
₹125 per student
Reg. Opens
Apr–May–30
Exam Date
Oct 30 / Nov 19 / Dec 3 2026 (school chooses)
Level
School → Zonal → International
Pathway Stage
National Entry
About this olympiad
The pathway
How registration works
Through school only
School registers at sofworld.org
Chooses one date from three options.
How to prepare
Understand the syllabus
Focus on the core concepts of the Science curriculum with a higher weightage on analytical problems.
Solve past papers
Practice with previous years' question papers to understand the exam pattern and marking scheme.
Notify Me
Get notified when SOF NSO 2026 registration opens.
Quick Facts
Related olympiads
National Standard Examination in Physics (NSEP)
IAPT / HBCSE TIFR
National Standard Examination in Chemistry (NSEC)
IAPT / HBCSE TIFR
National Standard Examination in Biology (NSEB)
IAPT / HBCSE TIFR