The Science Olympiad Foundation (SOF) has officially announced the SOF Olympiad Exam Dates for the academic year 2025–2026, covering all major Olympiad competitions conducted across India and abroad. These exams are among the most prestigious school-level competitive tests, designed to enhance students’ logical reasoning, scientific aptitude, English proficiency, cybersecurity awareness, and mathematical problem-solving abilities. Every year, millions of students from Classes 1 to 12 participate in SOF Olympiads, making them one of the most anticipated competitive platforms.
The 2025–26 schedule includes dates for IMO, NSO, NCO, IEO, IGKO, ISSO, and the SOF Cyber Olympiad, along with guidelines for school registration and exam formats. This article provides the complete exam calendar, subject-wise details, registration process, eligibility, syllabus overview, and key preparation strategies to help students plan ahead.

Overview of SOF Olympiads 2025–26
SOF conducts seven major Olympiad exams each year:
SOF International Mathematics Olympiad (IMO)
SOF National Science Olympiad (NSO)
SOF International English Olympiad (IEO)
SOF General Knowledge Olympiad (IGKO)
SOF International Social Studies Olympiad (ISSO)
SOF National Cyber Olympiad (NCO)
SOF International Commerce Olympiad (ICO) – for Classes 11 & 12
Most exams are scheduled in multiple slots, allowing schools flexibility in choosing dates.
SOF Olympiad Exam Dates 2025–2026 (Tentative Final Schedule)
Students must check with their respective schools for the final choice of exam date, as each school selects only one datefrom the available options.
1. SOF IGKO (General Knowledge Olympiad) 2025
Date 1: 12 September 2025
Date 2: 25 September 2025
2. SOF IEO (English Olympiad) 2025
Date 1: 10 October 2025
Date 2: 21 October 2025
3. SOF NSO (National Science Olympiad) 2025
Date 1: 31 October 2025
Date 2: 14 November 2025
4. SOF IMO (Maths Olympiad) 2025
Date 1: 5 December 2025
Date 2: 17 December 2025
5. SOF NCO (Cyber Olympiad) 2026
Date 1: 15 January 2026
Date 2: 23 January 2026
6. SOF ISSO (Social Studies Olympiad) 2026
Date 1: 28 January 2026
Date 2: 6 February 2026
7. SOF ICO (Commerce Olympiad) 2026
Date 1: 12 February 2026
Date 2: 20 February 2026
Note: Dates may vary slightly depending on school-level scheduling. Students must confirm their final examination date with the school coordinator.
SOF Olympiad Registration 2025–26
1. Registration Through Schools
SOF accepts registrations only through school coordinators.
Schools must register at the official SOF website.
Minimum 10 students must participate in a particular Olympiad for the school to conduct it.
2. Individual Registration
In exceptional cases (e.g., school not participating), students may apply individually through SOF’s online portal when available.
Registration Fee
Typically ₹125–₹150 per Olympiad (may vary by school).
Additional charges may apply for preparatory materials.
Eligibility Criteria
Students from Classes 1 to 12 studying in a recognized school in India or abroad can participate.
No minimum marks or academic prerequisites.
Students may participate in multiple Olympiads simultaneously.
Exam Pattern (General Structure)
Though each Olympiad is designed differently, most follow this pattern:
Classes 1–4
35 questions
40 marks
Classes 5–12
50 questions
60 marks
Section Distribution Typically Includes:
Logical Reasoning
Subject-specific Questions (Math/Science/English/Commerce/GK)
Higher Order Thinking Questions (HOTS)
Cyber/IT skills (for NCO)
Subject-Wise Syllabus Highlights
1. IMO (Maths)
Number systems
Algebraic expressions
Mensuration
Geometry
Logical reasoning
HOTS-based problem solving
2. NSO (Science)
Physics: Motion, force, electricity
Chemistry: Matter, reactions, acids & bases
Biology: Plants, tissues, human body
Environment, scientific reasoning
3. IEO (English)
Grammar & vocabulary
Comprehension
Spoken & writing expressions
Logical language skills
4. IGKO
Current affairs
Geography, history basics
Social awareness
General knowledge
5. NCO
Computer fundamentals
Coding basics
Internet & networking
Cyber safety
6. ISSO
Indian history
Civics, constitution
World geography & politics
Economics basics
7. ICO
Finance & accounting basics
Business studies
Economic environment
Case-based reasoning
Benefits of Appearing in SOF Olympiads
Participating in Olympiads offers long-term academic benefits:
1. Builds Early Competitive Skills
Students develop exam confidence and logical thinking from an early age.
2. Enhances Problem-Solving Ability
The HOTS section challenges a child’s analytical thinking.
3. Boosts Academic Performance
Olympiad-prepared students generally excel in school exams.
4. International Recognition
SOF certificates are widely recognized and enhance academic portfolios.
5. Scholarships & Awards
Top performers receive medals, certificates, scholarships, and cash awards.
How to Prepare for SOF Olympiads 2025–26
Here are expert-backed preparation strategies:
1. Start Early
Begin preparation at least 2–3 months before the exam.
2. Follow the Official Syllabus
Download SOF syllabus PDFs for each Olympiad and create chapter-wise notes.
3. Solve Previous Year Papers
Solving past papers helps understand:
Difficulty level
Question patterns
Commonly asked topics
4. Focus on Logical Reasoning
Reasoning is common across all Olympiads and carries significant weightage.
5. Use SOF Workbooks & Sample Papers
These are tailored to exam difficulty and include HOTS practice questions.
6. Time Management Practice
Attempt mock tests to improve speed and accuracy.
7. Strengthen Core Concepts
Conceptual clarity is more important than memorization.
Conclusion
The announcement of the SOF Olympiad Exam Dates 2025–2026 marks the beginning of an exciting academic challenge for students across Classes 1 to 12. With a structured schedule spanning from September 2025 to February 2026, schools and students have ample time to plan, prepare, and excel. The Olympiads are not just exams—they are an opportunity to build analytical thinking, confidence, and subject mastery at a global level. Students who prepare smartly using the latest syllabus, sample papers, and consistent practice can achieve outstanding results and gain recognition at the school, national, and international levels.

