IMO Class 9 — Mathematics
Key Class 9 topics: Number systems, Polynomials, Coordinate geometry, Linear equations in two variables, Euclid's geometry and more.
2026–27 · 5 olympiads
Olympiads for Class 9: IMO, IEO, NSO, IGKO, ISSO
A Class 9 student can sit 5 SOF olympiads this year. Compare the exam patterns below, open the class-wise syllabus for each, and practise with free tests and full-length mock exams that give an instant all-India rank.
Class 9 olympiad exam patterns at a glance
| Olympiad | Subject | Questions | Duration | Level 2 | Level 1 dates |
|---|---|---|---|---|---|
| IMO | Mathematics | 50 | 60 min | Yes | Oct 22 / Nov 19 / Dec 10, 2026 |
| IEO | English | 55 | 60 min | Yes | Sept 24 / Oct 20 / Nov 5, 2026 |
| NSO | Science | 60 | 60 min | Yes | Oct 15 / Nov 12 / Dec 3, 2026 |
| IGKO | General Knowledge | 35 | 45 min | No | Sept 10 / Oct 1, 2026 |
| ISSO | Social Studies | 55 | 60 min | No | Nov 30, 2026 / Jan 19, 2027 |
No SOF olympiad has negative marking. Dates are tentative — see exam dates and confirm with your school.
IEO Class 9 — English
Key Class 9 topics: Determiners and modals, Sentence transformation, Reported speech and voice, Clauses and non-finites, Phrasal verbs and idioms and more.
NSO Class 9 — Science
Key Class 9 topics: Matter in our surroundings, Is matter around us pure?, Atoms and molecules, Structure of the atom, The fundamental unit of life (cell) and more.
IGKO Class 9 — General Knowledge
Key Class 9 topics: Indian polity and the Constitution, Basics of the economy, Science, space and technology, History and culture of India and the world, International organisations and summits and more.
ISSO Class 9 — Social Studies
Key Class 9 topics: History: the French Revolution, History: socialism in Europe and the Russian Revolution, History: Nazism and the rise of Hitler, History: forest society, pastoralists and colonialism, Geography: India — size, location and physical features and more.
Class 9 olympiads — frequently asked questions
Which olympiads can a Class 9 student take?
Class 9 students can take the IMO, IEO, NSO, IGKO and ISSO. Each is a separate exam on a different date.
Which olympiad is best for Class 9?
Start with the subject your child enjoys most. Many Class 9 students take IMO and NSO first, then add IEO, IGKO or ISSO once they are comfortable with the format.
Can a Class 9 student appear for more than one olympiad?
Yes. The olympiads are held on different dates, so students commonly take two or three in one year.
Is there a Level 2 for Class 9?
Yes, for IMO, IEO, NSO. Top Level 1 performers qualify for the second round.
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