Dates marked Expected are estimates from earlier years. Exam bodies can change dates, rules and fees. Always confirm on the official website before you apply.
In this page
About the exam
SOF conducts Olympiads in Mathematics (IMO), Science (ISO, earlier called NSO), English (IEO), Computer Science (ICSO) and General Knowledge (IGKO). Level 1 is open to Classes 1 to 12. Level 2 is for the toppers of Level 1 from Class 3 onwards.
Eligibility
- Students of Classes 1 to 12 can take Level 1.
- Level 2 is for students who qualify from Level 1 (top performers in the class and the region).
- Registration is through the school.
Important dates
| Event | Date | Status |
|---|---|---|
| ISO Level 1 (2026-27) | 30 October, 19 November and 3 December 2026 (sets A, B and C) | Official |
| Other SOF Olympiads | Dates are on the SOF site. For example IEO and IMO were listed in September and October 2026 | Expected |
| Results | Expected January 2027 | Expected |
| Level 2 | Expected February 2027 | Expected |
Exam pattern
- Level 1 ISO: 60 minutes, offline MCQs. Classes 1 to 4 have 35 questions (40 marks). Classes 5 to 12 have 50 questions (60 marks). No negative marking.
- Sections for Classes 1 to 10: Logical Reasoning, Science and an Achievers section.
- Syllabus follows CBSE, ICSE and state boards.
Selection process
- Top 5% of each class qualify for Level 2.
- Medals, certificates and prizes are given to the toppers.
Fee
- Last published school registration fee for ISO: Rs 170 per student. Each school registers at least 10 students.
How to apply
- Ask your school coordinator to register you.
- The school sends the forms and the fee to SOF about 30 days before the exam.
- Admit cards come through the school one to two weeks before the test.
Official website
Frequently asked questions
Can a student register for an Olympiad without the school?
The registration described by SOF is through schools. Ask your school to register.
Are Olympiad marks useful for admission?
Olympiads build problem solving and confidence. They are not a fixed route to a college seat, but they help in scholarships and school profile.