How many levels are there in NSO?

There are two levels in NSO. Science Olympiad Foundation (SOF) held the National Science Olympiad (NSO) level 1 exam in October, November and December 2025. NSO Level 2 exam 2026 will be held in February 2026.

Is it possible to check the SOF NSO result 2025 in offline mode?

Yes, candidates can check the SOF NSO result in 2025 through the respective schools. SOF will send the results to the respective schools. Students can contact their schools for the NSO result 2025.

Is NSO conducted in only English?

Yes, NSO exam is conducted in only English. Students cannot appear for NSO exam in any other language.

How to score high for NSO SOF exam?

Students have to understand NSO syllabus 2025 and prepare accordingly. They should also learn from workbooks provided by NSO. Solving NSO workbooks will help students to know pattern of exam. It will also help them to improve their speed of solving problems.

Can we appear for more than one Olympiad exam?

Students can register for all the olympiads in a year as per eligibility. There are exams like SOF NCO, SOF NSO, SOF IMO, SOF IEO, SOF ICO, SOF IGKO, etc.. Students can apply for any exam.

How should I prepare for NSO 2nd level exam?

You need to complete your whole syllabus, then you can pick some topics like friction, pressure, etc. 1. NSO, IMO workbooks. 2. MTG theory books. 3. IIT foundation. 4. IQ Challenge by MTG. (You can use it for mathematics).

Is NSO conducted in only English?

Yes, NSO exam is conducted in only English. Students cannot appear for NSO exam in any other language.

Can we appear for the NSO again if we have appeared for it while in lower classes?

Yes. This will give the students an opportunity to improve their previous rankings, and if they are successful in doing so, they will again be eligible for certificates and prizes.

When will be NSO SOF 2025-26 held?

The SOF NSO level 1 2025 exam dates are November 13, November 27, and December 11, 2025. NSO had released the NSO SOF dates 2025.

Is there any negative marking in NSO?

No, there is no negative marking in NSO exam. Students need not worry for negative marking.

Can we appear for the NSO again if we have appeared for it while in lower classes?

Yes. This will give the students an opportunity to improve their previous rankings, and if they are successful in doing so, they will again be eligible for certificates and prizes.

NSO 2025 Registration, Application Form: Know How to Apply Online

Updated on Dec 22, 2025 12:08 IST

By Salviya Antony, Senior Executive - Content

SOF NSO 2025 registration: SOF NSO registration 2025-26 was concluded on Oct 30, 2025. Students could register through their respective schools only. Individual registrations are not accepted by the Foundation. The NSO Science Olympiad is a national-level science exam for students of Class 1 to 12. Those who want to challenge their scientific knowledge and reasoning skills can appear for the NSO SOF exam 2025. Prospectus containing the Registration forms were sent to all schools registered with SOF. Usually the NSO SOF registration concludes 30 days before the exam date.

Schools which are not registered can request for prospectus by sending an e-mail at info@ sofworld.org or by phone call. Schools must return the registration forms to SOF, duly filled in and complete in all respects by the due date. SOF Foundation will register the applicant school and the students. NSO SOF Dates 2025 were November 13, November 27, and December 11, 2025.

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