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NSO syllabus sources and pattern status | Prepx

Olympiads and Scholarships · Exam guide

NSO

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Source checked 25 September 2026

Exam syllabus

Subject overview is shown below. Check the source document for the full scope and exclusions.

2026 official source located

Source document: Science Olympiad Foundation 2026–27 programme and class-wise ISO syllabus

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Class-specific structure

1overview points

Reasoning, science content and higher-order questions are specified separately by class

Formerly NSO · now SOF ISO

1overview points

Select the learner's enrolled class for its current syllabus

SOF renamed NSO to International Science Olympiad (ISO) for 2026–27. Its official syllabus is class-specific, so this catalog entry must not imply one universal chapter list. The source has separate class pages and level details; select the learner's class before constructing practice content.

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