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SOF ISSO Answer Key 2025-26 PDF: Check SOF International Social Studies Olympiad Answer Sheet
The SOF releases the ISSO answer key on the official website, sofworld.org, in a PDF format. The SOF International Social Studies Olympiad (ISSO) answer key for Set A was released on November 3, 2025. The answer keys for Set B were released on January 16, 2026, while the answer keys for Set C were released on February 12, 2026. Students can use the SOF ISSO answer key to know the correct answer and calculate their exam scores. The SOF ISSO exam 1 and 2 was held on September 18, 2025, and November 20, 2025, while exam 3 was held on January 23, 2026.
SOF ISSO Answer Key 2025-26 (Set B)
SOF ISSO Answer Key 2025-26 (Set A)
SOF ISSO Answer Key 2025-26 (Set C)
This Story also Contains
- SOF ISSO Answer Key Overview
- SOF ISSO Answer Key 2025-26
- How to Download SOF ISSO Answer Key?
- SOF ISSO Marking Scheme
The Science Olympiad Foundation (SOF) conducts the International Social Studies Olympiad (ISSO) for students from Classes 3 to 10. It is an annual competition organised by SOF to analyse students' knowledge and skills in Social Studies. The SOF ISSO answer key will include the answers to the questions asked in the SOF ISSO exam. By checking the answer key, students can predict their SOF ISSO result.
SOF ISSO Answer Key Overview
SOF releases the SOF ISSO answer key on the official website. Students must visit the website every other day to keep track of upcoming events. Below, we have provided an overview of SOF ISSO for the students’ general knowledge.
SOF ISSO Answer Key Overview
Particulars | Details |
|---|---|
Exam name | SOF ISSO |
Exam date |
|
Answer key release date |
|
Classes participate | Classes 3 to 10 |
Official website | sofworld.org |
SOF ISSO Answer Key 2025-26
The Science Olympiad Foundation released the Set A, Set B, and Set C answer keys for the SOF ISSO exam. Students can check out the table below to get the set-wise answer keys PDF.
| Class | Set A | Set B | Set C |
|---|---|---|---|
| Class 3 | Click here | Click here | Click here |
| Class 4 | Click here | Click here | Click here |
| Class 5 | Click here | Click here | Click here |
| Class 6 | Click here | Click here | Click here |
| Class 7 | Click here | Click here | Click here |
| Class 8 | Click here | Click here | Click here |
| Class 9 | Click here | Click here | Click here |
| Class 10 | Click here | Click here | Click here |
How to Download SOF ISSO Answer Key?
Students who appeared for the ISSO exam can check the answer key on the official SOF website. Below, we have provided simple steps for students on how to download the SOF ISSO answer key.
Visit the official website, sofworld.org.
Click on the “Answer Key” link.
On the next page, select the class and download the ISSO answer key PDF.
SOF ISSO Marking Scheme
Students appearing for the exam have to learn about the SOF ISSO marking scheme. The marking scheme helps with understanding the exam pattern. Below, we have provided the SOF ISSO marking scheme for Classes 3 to 10 for the students’ reference.
SOF ISSO Marking Scheme for Classes 3 and 4
Class | Topic | No. of Questions | Marks per question | Total Marks |
|---|---|---|---|---|
3rd & 4th | Social Studies | 30 | 1 | 30 |
Achievers Section | 5 | 2 | 10 | |
Total | 35 | 40 |
SOF ISSO Marking Scheme for Class 5
Class | Topic | No. of Questions | Marks per question | Total Marks |
|---|---|---|---|---|
5th | Social Studies | 45 | 1 | 45 |
Achievers Section | 5 | 3 | 15 | |
Total | 50 | 60 |
SOF ISSO Marking Scheme for Classes 6 to 8
Class | Topic | No. of Questions | Marks per question | Total Marks |
|---|---|---|---|---|
6th to 8th | History | 20 | 1 | 20 |
Geography | 15 | 1 | 15 | |
Social and Political Life | 10 | 1 | 10 | |
Achievers Section | 5 | 3 | 15 | |
Total | 50 | 60 |
SOF ISSO Marking Scheme for Class 9-10
Class | Topic | No. of Questions | Marks per question | Total Marks |
|---|---|---|---|---|
9th & 10th | History | 15 | 1 | 15 |
Geography | 10 | 1 | 10 | |
Political Science | 10 | 1 | 10 | |
Economics | 10 | 1 | 10 | |
Achievers Section | 5 | 3 | 15 | |
Total | 50 | 60 |
Frequently Asked Questions (FAQs)
Q: How many questions will be asked in the SOF ISSO exam?
A:
There will be a total of 35 objective-type questions for classes 1 to 4 and 50 objective-type questions for classes 5 to 10.
Q: When will SOF conduct its ISSO exam?
A:
The SOF ISSO exam 1 was held on three different dates: September 18, 2025, November 20, 2025, and January 23, 2026.
Q: From where can I download the ISSO answer key?
A:
Students can download the ISSO answer key from the official website, sofworld.org.
Q: What are the passing marks required for the ISSO exam?
A:
SOF ISSO is a single-level exam. There are no other eligibility criteria like minimum marks for passing the SOF ISSO exam.
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