NSO Exam Date 2025-26, Check SOF National Science Olympiad Schedule

NSO Exam Date 2025: The Science Olympiad Foundation (SOF) is one of India’s most reputed educational foundations, dedicated to enhancing scientific reasoning and aptitude among school students. The NSO (National Science Olympiad) conducted by SOF is a prestigious exam that brings together millions of students from Classes 1 to 12 to test their science and logical thinking skills.

For the academic session 2025-26, SOF has officially released the NSO Exam Dates. Students, parents, and schools should mark these dates to ensure timely registration and preparation. This blog gives you complete details of NSO Exam Dates 2025-26, including exam schedule, class-wise participation, exam mode, and preparation tips.

NSO Exam Date 2025-26 Official Schedule

The NSO exam will be conducted on three different dates to offer flexibility to schools. Schools may choose any one of the dates provided by SOF based on their academic calendar.

Click to Check NSO Syllabus 2025–26

SOF NSO Level 1 Exam Dates 2025-26

Note: Schools can select any one of the three dates to conduct the NSO 2025-26 exam. The question papers will remain the same across all dates.

NSO Exam Related Resources: SOF NSO Level 2 2026: Exam Dates, Syllabus & Pattern

SOF NSO Level 2 Exam Schedule 2026

All the dates are available on the official website of SOF (NSO) 

Who Can Appear for the NSO Exam 2025-26?

The NSO is open to all students from Class 1 to Class 12. It is conducted through the respective schools registered with SOF. Here are some eligibility details:

• Students must be enrolled in a recognized school affiliated with a state board, ICSE, CBSE, or international board.
• There is no minimum marks criterion; any interested student can appear.
• Participation is typically voluntary but highly recommended for skill-building.

How to Register for NSO 2025-26?

Registration for NSO 2025-26 is coordinated through schools. Here’s how it works:

1. School Registration: Schools must register with SOF to receive student enrollment forms.
2. Student Enrollment: Interested students must fill out the NSO application form and submit it with a nominal fee to their class teacher or SOF coordinator.
3. Deadline: Schools usually complete registrations a month before the exam date selected.
4. Registration Fee: ₹150 per student (may vary slightly depending on school or region).

Detailed Information Regarding: NSO Application Form

What is the Duration of NSO Exam 2025-26?

The NSO exam duration is 60 minutes (1 hour) for all classes. The exam tests students on Logical Reasoning, Science, and Higher Order Thinking (Achievers) questions.

Related NSO Pages

• NSO Answer Key
• NSO Cut-Off
• NSO Result

Important NSO Exam Details at a Glance

Why Are There Three Exam Dates for NSO?

SOF allows flexibility by providing three exam dates due to:

• School-specific academic schedules
• Festivals and holidays
• Large number of participating schools across India and abroad

Each school selects the date that best suits their internal calendar.

NSO Exam Pattern Overview

Although this article focuses on dates, here's a brief overview of the NSO paper structure to help students plan ahead:

The Achievers Section consists of High Order Thinking Skills (HOTS) questions, which carry higher weightage.

Read For Detailed Information About: NSO Level 2 Exam Pattern & Marking Scheme 2026

NSO 2025-26 Important Dates

Tips to Prepare for NSO Exam Based on Dates

Since the exam takes place in November and December, students should ideally begin preparation by August or September 2025. Here are some tips:

1. Get the NSO Syllabus: Download the class-wise syllabus from SOF's official website.
2. Use Sample Papers & Workbooks: Practice regularly with SOF-approved study material.
3. Time Management: Solve mock tests within 60 minutes to build speed and accuracy.
4. Focus on HOTS: Allocate more time to the Achievers Section which requires deeper understanding.

Resources to Prepare for NSO 2025-26

• NSO Sample Papers (available on SOF website)
• Previous Year Question Papers
• Olympiad skill development books
• Online test platforms and quizzes
• School’s NSO Coordinator guidance

Also Read About: NSO Level 2 Exam 2026 – Preparation, Qualification & Awards

• NSO Level 2 Exam Revision Tips & Common Mistakes to Avoid
• How to Qualify NSO Level 2 Exam 2026?
• SOF NSO Level 2 Awards, Medals & Scholarships

Conclusion

The NSO Exam Dates for 2025-26 are crucial for every Olympiad aspirant. With the first exam scheduled for 13th November 2025, students still have ample time to prepare. Begin your preparation with a structured study plan, reliable resources, and plenty of practice.

Whether you're in Class 3 or Class 12, appearing for NSO is an opportunity to sharpen your scientific reasoning, improve problem-solving skills, and build exam confidence.

Stay tuned to official SOF announcements and keep checking with your school coordinator to confirm your selected exam date.

NSO Exam Date 2025-26 FAQs

Q1. What is the NSO Exam Date for Class 6?
Answer: Class 6 students can appear for NSO on 13th Nov, 27th Nov, or 11th Dec 2025, depending on the date chosen by their school.

Q2. Can I choose the exam date individually?
Answer: No, the exam date is selected by your school, not individual students.

Q3. Is the exam online or offline?
Answer: The NSO 2025-26 will be conducted in offline mode (pen and paper) at the school premises.

Q4. When will the NSO results be declared?
Answer: Results are generally declared 6-8 weeks after the last exam date, i.e., likely by January or February 2026.

Q5. Are all three exam dates the same in terms of question paper?
Answer: Yes, the same question paper is used for all three dates to maintain uniformity.