IMO Class 8 — Mathematics
Key Class 8 topics: Rational numbers, Linear equations in one variable, Understanding quadrilaterals, Squares and square roots, Cubes and cube roots and more.
2026–27 · 5 olympiads
Olympiads for Class 8: IMO, IEO, NSO, IGKO, ISSO
A Class 8 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 8 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 8 — English
Key Class 8 topics: Tenses and modals, Active and passive voice, Direct and indirect speech, Clauses and conjunctions, Phrasal verbs and more.
NSO Class 8 — Science
Key Class 8 topics: Crop production and management, Microorganisms, Synthetic fibres and plastics, Metals and non-metals, Coal and petroleum and more.
IGKO Class 8 — General Knowledge
Key Class 8 topics: Indian history and culture, World geography, Science and technology, Environment and ecology, Awards and honours and more.
ISSO Class 8 — Social Studies
Key Class 8 topics: History: the East India Company and colonial rule, History: tribal societies and the revolt of 1857, History: education, women, caste and reform, History: the national movement and India after independence, Geography: resources — land, soil, water and minerals and more.
Class 8 olympiads — frequently asked questions
Which olympiads can a Class 8 student take?
Class 8 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 8?
Start with the subject your child enjoys most. Many Class 8 students take IMO and NSO first, then add IEO, IGKO or ISSO once they are comfortable with the format.
Can a Class 8 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 8?
Yes, for IMO, IEO, NSO. Top Level 1 performers qualify for the second round.
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