SOF olympiad 2026-27
Science Olympiad Foundation
Which classes?
NJS123456789101112
N = Nursery, J = Jr KG, S = Sr KG. Filled: Class 1 to Class 12.SOF at a glance
8 olympiadsMaths, Science, English, GK, Computer, Social Studies, Hindi, Commerce
Next exam: 17 Nov 2026International English Olympiad
In schoolwhere they sit it
School onlywho registers
₹170per olympiad
2 roundsin 3 of 8 olympiads
Resultswithin 8 weeks
Negative markingnot published
Same for every SOF olympiad
- How to register
- Through the school only (no individual registration). If your school doesn't run it, it can sign up free.
- Where they sit it
- On paper, in their own school during school hours. The school picks one of the dates.
- Time
- 60 minutes
- Fee
- ₹170. School may add up to ₹30.
- Fee outside India
- US$11
- Free for
- Children with a major physical disability, and children of soldiers martyred in defence operations.
- Results
- Within 8 weeks. Sent to schools and on SOF's own website.
- Negative marking
- Not published
- Awards
- Every child: a certificate and a progress report. Zonal top 25 per class: gold medal of distinction. School gold medals. Cash awards for international and zonal top ranks.
- Syllabus
- CBSE, ICSE/ISC and state boards
All 8 SOF olympiads
International Mathematics Olympiad (IMO)
SOFMathsIn schoolSchool only₹170→2 rounds26 Nov
Details
- For
- Classes 1 to 12
- Questions
- 35 questions (Classes 1 to 4), 50 questions (Class 5 up)
- Rounds
- Two levels (Level 2 for Classes 3 to 12)
- Who goes to the next round
- Classes 3 to 12: the top 5% of each class worldwide, the top 25 of each class in each zone, and each school's class topper (when 10 or more children took the exam and the topper scored 50% or more). Classes 1 and 2 are ranked on Level 1 alone.
- Level 2 paper
- On SOF's class syllabus pages
- Dates
- 23 Oct (held), 26 Nov or 10 Dec 2026
- Language
- English
- Which class's syllabus
- 60% from the current class, 40% from the previous class (Achievers, the hardest section, is from the current class only).
- Sections
- Logical Reasoning, Mathematical Reasoning, Everyday Mathematics, Achievers (Classes 11 and 12: Mathematical Reasoning/Applied Maths).
- Marks
- Classes 1 to 4: 35 questions, 40 marks. Class 5 up: 50 questions, 60 marks (questions in Achievers, the hardest section, carry 2 to 3 marks each).
- From
- SOF's own website
International Science Olympiad (formerly NSO)
SOFScienceIn schoolSchool only₹170→2 rounds19 Nov
Details
- For
- Classes 1 to 12
- Questions
- 35 questions (Classes 1 to 4), 50 questions (Class 5 up)
- Rounds
- Two levels (Level 2 for Classes 3 to 12)
- Who goes to the next round
- Classes 3 to 12: the top 5% of each class worldwide, the top 25 of each class in each zone, and each school's class topper (when 10 or more children took the exam and the topper scored 50% or more). Classes 1 and 2 are ranked on Level 1 alone.
- Level 2 paper
- On SOF's class syllabus pages
- Dates
- 30 Oct (held), 19 Nov or 3 Dec 2026
- Language
- English
- Which class's syllabus
- 60% from the current class, 40% from the previous class (Achievers, the hardest section, is from the current class only).
- Sections
- Classes 1 to 10: Logical Reasoning, Science, Achievers. Classes 11 and 12: Physics & Chemistry, Achievers, Maths/Biology.
- Marks
- Classes 1 to 4: 35 questions, 40 marks. Class 5 up: 50 questions, 60 marks (questions in Achievers, the hardest section, carry 2 to 3 marks each).
- From
- SOF's own website
International English Olympiad (IEO)
SOFEnglishIn schoolSchool only₹170→2 rounds17 Nov
Details
- For
- Classes 1 to 12
- Questions
- 35 questions (Classes 1 to 4), 50 questions (Class 5 up)
- Rounds
- Two levels (Level 2 for Classes 3 to 12)
- Who goes to the next round
- Classes 3 to 12: the top 5% of each class worldwide, the top 25 of each class in each zone, and each school's class topper (when 10 or more children took the exam and the topper scored 50% or more). Classes 1 and 2 are ranked on Level 1 alone.
- Level 2 paper
- On SOF's class syllabus pages
- Dates
- 30 Sep (held), 27 Oct (held) or 17 Nov 2026
- Language
- English
- Sections
- Word & Structure Knowledge, Reading, Spoken & Written Expression, Achievers.
- Marks
- Classes 1 to 4: 35 questions, 40 marks. Class 5 up: 50 questions, 60 marks (questions in Achievers, the hardest section, carry 2 to 3 marks each).
- From
- SOF's own website
International General Knowledge Olympiad (IGKO)
SOFGKIn schoolSchool only₹1701 roundHeld
Details
- For
- Classes 1 to 10
- Questions
- 35 questions (Classes 1 to 4), 50 questions (Class 5 up)
- Rounds
- One level
- Dates
- 22 Sep (held), 6 Oct (held) or 3 Nov 2026 (held)
- Language
- English
- Sections
- General Awareness, Current Affairs, Life Skills, Achievers
- Marks
- Classes 1 to 4: 35 questions, 40 marks. Class 5 up: 50 questions, 60 marks (questions in Achievers, the hardest section, carry 2 to 3 marks each).
- From
- SOF's own website
International Computer Science Olympiad (ICSO)
SOFComputerIn schoolSchool only₹1701 round17 Dec
Details
- For
- Classes 1 to 10
- Questions
- 35 questions (Classes 1 to 4), 50 questions (Class 5 up)
- Rounds
- One level
- Dates
- 24 Sep (held) or 17 Dec 2026
- Language
- English
- Which class's syllabus
- 60% from the current class, 40% from the previous class (Achievers, the hardest section, is from the current class only).
- Sections
- Classes 1 and 2: Logical Reasoning, Computer Science, Information Technology, Achievers. Classes 3 to 10: Logical Reasoning, Computer Science, AI Robotics & IT, Achievers.
- Marks
- Classes 1 to 4: 35 questions, 40 marks. Class 5 up: 50 questions, 60 marks (questions in Achievers, the hardest section, carry 2 to 3 marks each).
- From
- SOF's own website
International Social Studies Olympiad (ISSO)
SOFSocial StudiesIn schoolSchool only₹1701 round30 Nov
Details
- For
- Classes 3 to 10
- Questions
- 35 questions (Classes 3 and 4), 50 questions (Classes 5 to 10).
- Rounds
- One level
- Dates
- 30 Nov 2026 or 19 Jan 2027
- Language
- English
- Which class's syllabus
- 70% from the current class, 30% from the previous class (Achievers, the hardest section, is from the current class only).
- Sections
- Classes 3 to 8: Social Studies, Achievers. Classes 9 and 10: History, Geography, Political Science, Economics, Achievers.
- Marks
- Classes 3 and 4: 35 questions, 40 marks. Class 5 up: 50 questions, 60 marks (questions in Achievers, the hardest section, carry 2 to 3 marks each).
- From
- SOF's own website
International Hindi Olympiad (IHO)
SOFHindiIn schoolSchool only₹1701 round23 Nov
Details
- For
- Classes 3 to 10
- Questions
- 35 questions (Classes 3 and 4), 50 questions (Classes 5 to 10).
- Rounds
- One level
- Dates
- 23 Nov 2026 or 22 Jan 2027
- Language
- Hindi
- Sections
- 3
- Marks
- Classes 3 and 4: 35 questions, 40 marks. Class 5 up: 50 questions, 60 marks (questions in Achievers, the hardest section, carry 2 to 3 marks each).
- From
- SOF's own website
International Commerce Olympiad (ICO)
SOFCommerceIn schoolSchool only₹1701 round30 Nov
Details
- For
- Classes 11 and 12
- Questions
- 50 questions
- Rounds
- One level
- Dates
- 30 Nov 2026 or 19 Jan 2027
- Language
- English
- Sections
- Economics, Business Studies, Accountancy, Achievers
- Marks
- 50 questions, 60 marks
- Good to know
- At least 5 students must register from each school
- From
- SOF's own website
From SOF's results page, SOF's own website.
Quick answers
How to register for SOF olympiad 2026?
Through the school only (no individual registration). If your school doesn't run it, it can sign up free.
What is the SOF olympiad fee?
₹170. School may add up to ₹30.
When is the SOF olympiad exam 2026?
The next ones:
- International English Olympiad, 17 Nov 2026
- International Science Olympiad (formerly NSO), 19 Nov 2026
- International Hindi Olympiad, 23 Nov 2026
Does SOF have Level 2?
Yes, 3 of its 8 olympiads. Who goes on: Classes 3 to 12: the top 5% of each class worldwide, the top 25 of each class in each zone, and each school's class topper (when 10 or more children took the exam and the topper scored 50% or more). Classes 1 and 2 are ranked on Level 1 alone.
Is there negative marking in SOF olympiad?
Not published.
Checked on each organiser's own website, 25 Oct 2026. Rules and dates can change; their site is always final. Olympiad Owl is not linked to any organiser.