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ICSO Answer Key 2025-26 Out: Download Answer Key PDF
The Science Olympiad Foundation (SOF) released the International Computer Science Olympiad answer keys for Set A, Set B, and Set C on November 3 and 25, 2025, and February 10, 2026, respectively. The SOF ICSO 2025-26 answer key for Classes 1 to 10 is made available online on the official website, sofworld.org. Students can calculate their probable scores using the ICSO answer key 2025. There is no negative marking in this SOF ICSO exam.
This Story also Contains
- ICSO Answer Key 2025-26 Dates
- SOF ICSO Answer Key 2025-26 (Set A and B)
- How to Download ICSO Answer Key 2025-26?
The answer key for all classes is published individually in PDF form. It includes correct solutions to all the questions asked in the exam. The SOF results 2025-26 for ICSO are released after the answer key. The SOF ICSO exam for Sets A and B was conducted on September 24, 2025 and October 9, 2025, while the Set C exam was held on January 22, 2026. Read the article to learn more about the ICSO answer key.
ICSO Answer Key 2025-26 Dates
The SOF ICSO examination evaluates students' proficiency in computer science and information technology. It is advised for students to refer to the provided schedule to know the ICSO answer key 2025-26 release date.
| Events | Dates |
|---|---|
| ICSO Set A exam | September 24, 2025 |
| ICSO Set B exam | October 9, 2025 |
| ICSO Set C exam | January 22, 2026 |
| ICSO Set A answer key | November 3, 2025 |
| ICSO Set B answer key | November 25, 2025 |
| ICSO Set C answer key | February 10, 2026 |
| ICSO result | First week of March 2026 |
SOF ICSO Answer Key 2025-26 (Set A and B)
The answer key for the SOF ICSO is released a few days after the examination. The ICSO 2025-26 answer keys are provided below.
| Answer Key Name | ICSO Set A | ICSO Set B | ICSO Set C |
|---|---|---|---|
| ICSO Class 1 answer key | Click here | Click here | Click here |
| ICSO Class 2 answer key | Click here | Click here | Click here |
| ICSO Class 3 answer key | Click here | Click here | Click here |
| ICSO Class 4 answer key | Click here | Click here | Click here |
| ICSO Class 5 answer key | Click here | Click here | Click here |
| ICSO Class 6 answer key | Click here | Click here | Click here |
| ICSO Class 7 answer key | Click here | Click here | Click here |
| ICSO Class 8 answer key | Click here | Click here | Click here |
| ICSO Class 9 answer key | Click here | Click here | Click here |
| ICSO Class 10 answer key | Click here | Click here | Click here |
SOF ICSO Answer Key ICSO 2024-25 (Set A and B)
| Answer Key Name | ICSO Set A Answer Key | ICSO Set B Answer Key |
|---|---|---|
| ICSO Class 1 answer key | Click here | Click here |
| ICSO Class 2 answer key | Click here | Click here |
| ICSO Class 3 answer key | Click here | Click here |
| ICSO Class 4 answer key | Click here | Click here |
| ICSO Class 5 answer key | Click here | Click here |
| ICSO Class 6 answer key | Click here | Click here |
| ICSO Class 7 answer key | Click here | Click here |
| ICSO Class 8 answer key | Click here | Click here |
| ICSO Class 9 answer key | Click here | Click here |
| ICSO Class 10 answer key | Click here | Click here |
How to Download ICSO Answer Key 2025-26?
Students are suggested to get the SOF answer key 2025-26 ICSO by following the steps outlined below.
- Visit the official website at sofworld.org.
- Click on the "Answer key and Cutoff 2025-26" link.
- Then click the ICSO answer key 2025 link for sets A and B.
- On the following page, select a class from 1 to 12 to download the SOF ICSO answer key 2025 for that class.
- It will lead to a PDF file of the SOF ICSO 2025-26 answer key. Now, calculate the scores with the ones that the candidate marked on the answer sheet.
Download Links for the Unofficial ICSO Answer Key 2025-26
Several prestigious coaching centres are expected to publish an unauthorised answer key for the ICSO question paper, catering to students from Classes 5 to 10. This resource can be utilised by students to forecast their potential exam scores and evaluate their likelihood of being chosen.
Frequently Asked Questions (FAQs)
Q: What is the full form of the ICSO Olympiad?
A:
ICSO stands for International Computer Science Olympiad. It is conducted by SOF every year.
Q: When will SOF release the ICSO answer key?
A:
SOF ICSO answer keys for Sets A, B, and C were released on November 3 and 25, 2025, and February 10, 2026, respectively.
Q: Is there any negative marking in SOF ICSO answer key 2025-26?
A:
No, incorrect responses in the ICSO olympiad will not result in any negative marking. Instead, students will not receive any marks for wrong answers.
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