ICSO Answer Key 2025-26: Download Answer Key PDF

The Science Olympiad Foundation (SOF) will release the International Computer Science Olympiad answer key for sets A and B in the second week of February 2026. 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.
SOF ICSO Answer Key 2024 Released for Set A and B: Download Here

Latest: ICSO Result 2024-25 Declared: Check Here

This Story also Contains

1. ICSO Answer Key 2025-26 Dates
2. SOF ICSO Answer Key ICSO 2025-26 (Set A and B)
3. How to Download ICSO Answer Key 2025-26?

The answer key of 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 will be conducted on September 24, 2025; October 9, 2025; and January 22, 2026.

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 release date.

SOF ICSO Answer Key ICSO 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.

SOF ICSO Answer Key ICSO 2024-25 (Set A and B)

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: sofolympiadtrainer.com.
• 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 in 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.