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    SOF Olympiad Exams 2025-26: Check Exam Schedule for NCO, NSO, IMO, IEO, ICO IGKO
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    • SOF Olympiad Exams 2025-26: Check Exam Schedule for NCO, NSO, IMO, IEO, ICO IGKO

    SOF Olympiad Exams 2025-26: Check Exam Schedule for NCO, NSO, IMO, IEO, ICO IGKO

    Garima SihagUpdated on 02 Jan 2026, 01:45 PM IST

    Science Olympiad Foundation, also known as SOF, conducts various Olympiads for classes 1-12 to identify and nurture young talent in different subjects. These Olympiads are conducted at national and international levels. This organisation operates as a non-profit entity and engages students from over 50,000 schools across 48 countries. Its primary aim is to assess and enhance students' knowledge in various disciplines, including Science, Mathematics, English, and more. It is one of the top Olympiads of the country.

    This Story also Contains

    1. SOF Olympiads Exams:
    2. International Maths Olympiad (IMO)
    3. National Science Olympiad (NSO)
    4. International English Olympiad (IEO)
    5. SOF International Computer Science Olympiad(SOF ICSO)
    6. International Commerce Olympiad (ICO)
    7. SOF International General Knowledge Olympiad
    8. SOF Olympiad Eligibility Criteria 2025-26
    9. SOF Exam Pattern 2025-26
    10. How to Register for SOF Exams?
    SOF Olympiad Exams 2025-26: Check Exam Schedule for NCO, NSO, IMO, IEO, ICO IGKO
    SOF Olympiad Exams 2025-26

    SOF Olympiads Exams:

    • International General Knowledge Olympiad (IGKO): Focuses on General Knowledge.
    • International English Olympiad (IEO): Focuses on English.
    • National Science Olympiad (NSO): Focuses on Science.
    • International Mathematics Olympiad (IMO): Focuses on Mathematics.
    • International Computer Science Olympiad(SOF ICSO): Focuses on Computer Science
    • International Social Studies Olympiad(SOF ISSO): Focuses on Social Studies
    • International Hindi Olympiad(SOF IHO): Focuses on Hindi
    • International Commerce Olympiad(SOF ICO): Focuses on commerce.

    SOF Olympiad Exam 2025-26 Dates (Level 1)

    Olympiad Names
    SOF Exam Dates
    SOF International General Knowledge Olympiad(SOF IGKO)September 25, 2025,
    October 8, 2025
    November 7, 2025
    SOF International English Olympiad(SOF IEO) level 1

    September 26, 2025
    November 11, 2025
    November 26, 2025

    SOF National Science Olympiad(SOF NSO) level 1

    November 13, 2025
    November 27, 2025
    December 11, 2025

    SOF International Mathematics Olympiad(SOF IMO) level 1

    November 12, 2025
    November 28, 2025
    December 12, 2025

    SOF International Computer Science Olympiad(SOF ICSO)

    September 24, 2025,
    October 9, 2025
    January 22, 2026

    SOF International Social Studies Olympiad(SOF ISSO)

    September 18, 2025,
    November 20, 2025

    January 23, 2026

    SOF International Hindi Olympiad(SOF IHO)

    September 19, 2025,
    November 19, 2025

    January 22, 2026

    SOF International Commerce Olympiad(SOF ICO)

    September 18, 2025,
    November 7, 2025

    SOF Olympiad Exam 2025-26 Dates (Level 2)

    Exam Dates
    Particulars
    Category
    February 8, 2026All regions except MaharashtraDomestic
    February 15, 2026Maharashtra onlyDomestic
    February 9 to 20, 2026Hybrid onlyInternational

    International Maths Olympiad (IMO)

    The Science Olympiad Foundation (SOF) organises the International Mathematics Olympiad (IMO) for students in classes 1 to 12. The SOF IMO Level 1 examination assesses students' abilities in logical reasoning, mathematical reasoning, and practical mathematics.

    • The SOF IMO 2025-26 Level 1 exams were held on
      • November 12, 2025
      • November 28, 2025
      • December 12, 2025
    • Application forms for the SOF IMO exam 2025-26 are available and must be submitted through the school, accompanied by an application fee of Rs. 125.
    • Students with significant physical disabilities, as well as Indian students whose parents have been martyred in defence operations, are exempt from this fee.

    Check more details about the exam here

    National Science Olympiad (NSO)

    The Science Olympiad Foundation (SOF) organises the National Science Olympiad 2025-26 Level 1 for students from Class 1 to Class 12. SOF NSO 2025-26 registration typically closes 30 days before the exam dates, and students may register through their respective educational institutions. The SOF National Science Olympiad for the 2025-26 academic year will include both Level 1 and Level 2 examinations. This annual scholarship examination evaluates students' scientific reasoning and logical skills.

    Check more about the exam here

    International English Olympiad (IEO)

    SOF conducted the International English Olympiad (IEO) on three specific dates:

    • September 26, 2025,
    • November 11, 2025
    • November 26, 2025

    The SOF IEO examinations take place in an offline format. Admit cards are distributed by the respective schools. The SOF IEO consists of two levels of examination. Level 1 is open to students from classes 1 to 12, and registration must be completed through their schools, as individual registrations are not permitted. Students who successfully qualify will then proceed to take the Level 2 examination. The top 5% of candidates from each class who participate in Level 1 will be recognised.

    Check more details about the exam here

    SOF International Computer Science Olympiad(SOF ICSO)

    SOF organises the International Computer Science Olympiad (ICSO) in an offline format. Admit cards for the SOF ICSO are distributed by the respective educational institutions. The purpose of the SOF ICSO examination is to evaluate students' proficiency and understanding in the fields of computers and information technology. Students from Class 1 to Class 10 are eligible to participate in the ICSO SOF examination.

    Check more details about the exam

    International Commerce Olympiad (ICO)

    The SOF International Commerce Olympiad (ICO) is designed to assess students' knowledge and understanding of commerce-related concepts. It's a platform to identify and encourage talented students in the field of commerce. SOF International Commerce Olympiad 2025-26 is a single-level exam that was conducted on September 18, 2025, and November 7, 2025. SOF ICO results are announced in online mode.

    SOF International General Knowledge Olympiad

    The SOF International General Knowledge Olympiad (IGKO) is a platform to assess a student's overall general knowledge and awareness of current affairs. It's designed to encourage students to expand their knowledge base beyond textbooks. SOF International Commerce Olympiad 2025-26 is a single-level exam.

    Check more details here

    SOF Olympiad Eligibility Criteria 2025-26

    Participation in the SOF Olympiad tests is exclusively available to school children. The Olympiad is designed for students enrolled in grades 1 to 12. Additionally, it is important to highlight that there are no prerequisites regarding minimum grades or any other criteria for eligibility.

    SOF Exam Eligibility Criteria

    Exam Name

    Class

    NSO

    Classes 1 to 12 students

    ICSO

    Classes 1 to 12 students

    IMO

    Classes 1 to 12 students

    IEO

    Classes 1 to 12 students

    ICO

    Classes 11 and 12 students

    IGKO

    Classes 1 to 10 students

    SOF Exam Pattern 2025-26

    The SOF Olympiad designs its question papers based on the curricula of CBSE, ICSE, and various state boards. For example, students intending to participate in the National Science Olympiad (NSO) can utilise the syllabus corresponding to their grade level for exam preparation. Additionally, the examination format of the SOF International Olympiad differs from one competition to another. The SOF exam pattern generally consists of two sections:

    • Logical Reasoning: This section tests a student's ability to think critically, analyse information, and solve problems. It typically includes questions on:

      • Patterns
      • Analogy
      • Classification
      • Series
      • Coding-Decoding
      • Spatial Reasoning
      • Blood Relations
      • Direction Sense
      • Order and Ranking
      • Alphabetical and Number Series

    2. Subject-Specific Content: This section covers the core subject matter of the Olympiad (Science for NSO, Mathematics for IMO, English for IEO, etc.). The questions are designed to assess students' knowledge and application of concepts.

    The exact pattern and number of questions can vary slightly between different Olympiads and grade levels.

    SOF Olympiad Exam Pattern

    Exam Name

    Pattern

    Time

    Level

    NCO

    35 MCQs for class 1-4, and 50 for Class 5-10/12

    60 minutes

    Single Level

    NSO

    Two levels

    IMO

    Two Levels

    IEO

    Two Levels

    IGKO

    Single Level

    ICO

    50 MCQs for Class 11-12

    Single Level

    How to Register for SOF Exams?

    Participation in this competition is available to students who register through their respective schools. Additionally, the SOF authorities permit individual registration applications. The details regarding the registration for the SOF Olympiad are outlined as follows.

    Through School (If registered with SOF):

    1. Talk to Teacher or Principal: Since the school is already registered with SOF, simply reach out to a teacher or the principal. They'll provide the candidate with the SOF application form.
    2. Fill Out the Form Carefully: Make sure all the information provided is accurate. Double-check for any typos!
    3. Submit the Form to School: Once the student has completed the form, return it to the teacher or principal.
    4. School Takes Care of the Rest: The school will handle sending the registration forms with all the student applications to SOF before the deadline.

    Individual Registration (for schools not registered with SOF):

    1. Head to the Official Website: Visit the SOF website at sofworld.org.
    2. Find the Registration Page: Look for the registration section for the specific Olympiad they are interested in (NSO, IMO, IEO, etc.) on the homepage.
    3. Fill Out the Online Application: Provide all the required details accurately.
    4. Review and Submit: Double-check your information before submitting the final application.
    5. Pay the Registration Fee: Complete the registration by paying the necessary fees using the available online payment methods.

    Frequently Asked Questions (FAQs)

    Q: What are SOF Olympiad exams?
    A:

    The Science Olympiad Foundation (SOF) is a non-profit entity committed to promoting science and education. It organises competitions in mathematics, science, computer science, and general knowledge.

    Q: When are the SOF Olympiad results announced?
    A:

    The SOF exam results are announced within 8 weeks of the test. The SOF exam results will be available on the SOF website or through the schools.

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    Questions related to IMO

    On Question asked by student community

    Have a question related to IMO ?

    Dear Student,

    Level 1 SOF admit card can be collected from their respective school authority. Online, it can be found on sofworld.org, once link is activated.

    HELLO,

    The SOF IMO Level 1 results for the 2025 2026 session are expected to be released in January 2026 , typically around second week of January. You can check the results directly on the official SOF website that is results.sofworld.org (//results.sofworld.org) .

    Here you can visit the link to

    Hello,
    I have attached the link for IMO Exam results 2025 - 2026 in which you can get your Math Olympiad results, including section - by - section scores and qualifying IMO class. Kindly check the below link and find your results.
    https://school.careers360.com/articles/imo-result
    I hope this helps you.

    Hello

    You can download it from the official SOF website once it becomes available.

    The IMO 2025–26 Set C official answer key hasn’t been released yet because SOF usually uploads it a few weeks after the exam

    Here I am attaching a link, you can access the answersheet directly by

    Hello,

    You can get the IMO Set-B Answer Key 2025-26 from the Careers360 website. This website also provides previous years papers, exam patterns, marking schemes, question paper analysis, question papers along with answer keys, syllabus, important dates, preparation tips.

    LINK: https://school.careers360.com/articles/imo-answer-key

    I hope it helps!