SOF International Mathematics Olympiad (IMO)
Organised by Science Olympiad Foundation (SOF)Official Website ↗
India's most popular maths olympiad. 99000+ schools millions of students. Two levels — Level 1 at school Level 2 national. Tests mathematical reasoning at class level plus higher-order thinking.
Eligibility
Class 1–12, all boards
Fee
₹125 per student + up to ₹25 school admin
Reg. Opens
Apr–May–30
Exam Date
Oct 23 / Nov 26 / Dec 10 2026 (school chooses)
Level
School → Zonal → International
Pathway Stage
National Entry
About this olympiad
The pathway
How registration works
Through school only
No individual registration
School downloads form from sofworld.org
School selects one exam date from three options.
How to prepare
Understand the syllabus
Focus on the core concepts of the Mathematics 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 IMO 2026 registration opens.
Quick Facts
Related olympiads
Indian Olympiad Qualifier in Mathematics (IOQM)
MTA / HBCSE / TIFR
Regional Mathematical Olympiad (RMO)
HBCSE / MTA
Indian National Mathematical Olympiad (INMO)
HBCSE / MTA