SOF IEO Answer Key 2025-26, Check SET A, B, C Answer Key PDF for Class 1 to 12
The Science Olympiad Foundation (SOF) will release the IEO answer key 2025-26 for Level 1 in October, November, and December 2025, for Sets A, B, and C, respectively. The SOF IEO exam level 1 will be held on September 26, November 11, and November 26, 2025, respectively, for Sets A, B, and C. The foundation will publish the IEO 2025-26 level 1 answer keys in PDF format. The IEO Level 2 exam will be conducted in February 2026. The Olympiad Foundation will also release the IEO cut-off for classes 1 to 12 in March 2026.
This Story also Contains
- IEO Answer Key 2025-26 Dates
- How to download the SOF IEO Answer Key 2025-26?
- Exam Pattern of SOF IEO 2025-26
SOF publishes the IEO answer key 2025-26 on its official website at sofworld.org. The IEO answer key for classes 1 to 12 is published through separate PDFs. Students can calculate their probable scores with the help of the IEO answer key 2025-26. Read the article to learn more about the IEO answer key 2025-26, previous years’ IEO answer keys, details of the final IEO result 2025-26, IEO exam pattern and more.
IEO Answer Key 2025-26 Dates
Students can refer to the following table for information about important dates related to the release of the IEO 2025-26 answer key and other details. It is important to keep track of sofworld.org IEO answer key events to stay on track.
SOF IEO Answer Key Dates
| SOF IEO Events | Important Dates |
| IEO Level 1 Exam Dates | September 26, 2025 (Set A) November 11, 2025 (Set B) November 26, 2025 (Set C) |
| IEO answer key release date 2025-26 | October 2025 (Set A) November 2025 (Set B) December 2025 (Set C) |
| IEO Result Level 1 | December 2025 |
| IEO exam date level 2 | February 2026 |
| IEO Result Level 2 | March 2026 |
How to download the SOF IEO Answer Key 2025-26?
Follow the steps given below to know the process of downloading SOF IEO answer keys for Set A, B, and C and calculate your probable scores in the International English Olympiad:
- Step 1: Visit the official IEO answer key website at sofworld.org
- Step 2: Click on the option ‘SOF Answer Key and Cut off 2025-26’
- Step 3: Click on the link of IEO 2025-26 answer key, Set A, Set B, Set C.
- Step 4: Download the SOF answer key in PDF Format for the respective class.
- Step 5: Calculate your scores by adding up the marks for the correct answer.
Check - Other SOF Answer Key Links
Official IEO Answer Key 2024-25 for Level 1 Exam (Set-A, B and C)
| IEO Level 1 Answer Key Name | Set-A | Set-B | Set-C |
| IEO Class 1 Answer Key | Download here | Download here | Download here |
| IEO Class 2 Answer Key | Download here | Download here | Download here |
| IEO Class 3 Answer Key | Download here | Download here | Download here |
| IEO Class 4 Answer Key | Download here | Download here | Download here |
| IEO Class 5 Answer Key | Download here | Download here | Download here |
| IEO Class 6 Answer Key | Download here | Download here | Download here |
| IEO Class 7 Answer Key | Download here | Download here | Download here |
| IEO Class 8 Answer Key | Download here | Download here | Download here |
| IEO Class 9 Answer Key | Download here | Download here | Download here |
| IEO Class 10 Answer Key | Download here | Download here | Download here |
| IEO Class 11 Answer Key | Download here | Download here | Download here |
| IEO Class 12 Answer Key | Download here | Download here | Download here |
Official IEO Answer Key 2023-24 for Level 1 Exam (Set A, B and C)
| IEO Level 1 Answer Key Name | Set-A | Set-B | Set-C |
| IEO Class 1 Answer Key | Download here | Download here | Download here |
| IEO Class 2 Answer Key | Download here | Download here | Download here |
| IEO Class 3 Answer Key | Download here | Download here | Download here |
| IEO Class 4 Answer Key | Download here | Download here | Download here |
| IEO Class 5 Answer Key | Download here | Download here | Download here |
| IEO Class 6 Answer Key | Download here | Download here | Download here |
| IEO Class 7 Answer Key | Download here | Download here | Download here |
| IEO Class 8 Answer Key | Download here | Download here | Download here |
| IEO Class 9 Answer Key | Download here | Download here | Download here |
| IEO Class 10 Answer Key | Download here | Download here | Download here |
| IEO Class 11 Answer Key | Download here | Download here | Download here |
| IEO Class 12 Answer Key | Download here | Download here | Download here |
Official IEO Answer Key 2022-23 for Level 1 Exam (Set A, B and C)
| IEO Level 1 Answer Key Name | Set-A | Set-B | Set-C |
| IEO Class 1 Answer Key | Download here | Download here | Download here |
| IEO Class 2 Answer Key | Download here | Download here | Download here |
| IEO Class 3 Answer Key | Download here | Download here | Download here |
| IEO Class 4 Answer Key | Download here | Download here | Download here |
| IEO Class 5 Answer Key | Download here | Download here | Download here |
| IEO Class 6 Answer Key | Download here | Download here | Download here |
| IEO Class 7 Answer Key | Download here | Download here | Download here |
| IEO Class 8 Answer Key | Download here | Download here | Download here |
| IEO Class 9 Answer Key | Download here | Download here | Download here |
| IEO Class 10 Answer Key | Download here | Download here | Download here |
| IEO Class 11 Answer Key | Download here | Download here | Download here |
| IEO Class 12 Answer Key | Download here | Download here | Download here |
Exam Pattern of SOF IEO 2025-26
In the table below, students can find the exam pattern of the IEO exam 2025-26. Students of classes 1 to 12 are eligible to appear in the IEO exam 2025-26. After checking the IEO syllabus 2025-26 thoroughly, students should go through the design of the question paper and pattern of IEO 2025-26. Check out the following table to learn more about it.
SOF IEO Exam Pattern 2025-26
SOF IEO | ||||
Classes | Section | No. of Questions | Marks/Question | Total Marks |
1st to 4th | Word and Structure Knowledge | 15 | 1 | 15 |
Reading | 10 | 1 | 10 | |
Spoken and Written Expression | 5 | 1 | 5 | |
Achievers Section | 5 | 2 | 10 | |
Grand Total | 35 | 40 | ||
5th to 12th | Word and Structure Knowledge | 30 | 1 | 30 |
Reading | 10 | 1 | 10 | |
Spoken and Written Expression | 5 | 1 | 5 | |
Achievers Section | 5 | 3 | 15 | |
Grand Total | 50 | 60 | ||
IEO Result and Cut-Off Scores
Science Olympiad releases the SOF IEO level 1 cut-off and IEO results in 2025-26 in online mode through the official website. The IEO Cutoff scores vary for each academic year. In the table below, students can find the cut-off scores of IEO 2023-24. Students should also note that cut-off scores are not provided for students of classes 1 and 2, as SOF IEO is a single-level exam for them.
SOF I.E.O 1st Level Cut-Off 2023-24 - Top 5%
| Class | Total Marks | Achievers Section | Word And Structure | Reading | Spoken And Written |
|---|---|---|---|---|---|
| 3 | 33 | 8 | 11 | 10 | 4 |
| 4 | 35 | 8 | 13 | 10 | 4 |
| 5 | 43 | 9 | 21 | 10 | 3 |
| 6 | 46 | 9 | 24 | 8 | 5 |
| 7 | 45 | 9 | 23 | 9 | 4 |
| 8 | 48 | 12 | 23 | 9 | 4 |
| 9 | 49 | 12 | 24 | 9 | 4 |
| 10 | 47 | 9 | 23 | 10 | 5 |
| 11 | 48 | 12 | 27 | 4 | 5 |
| 12 | 47 | 9 | 23 | 10 | 5 |
Frequently Asked Questions (FAQs)
IEO SOF answer keys for set A, B and C can be procured from- sofworld.org and from this page as well.
IEO set B answer key pdf will be released soon in September 2024.
Cut offs are the minimum marks needed to obtain in the exam to get selected for the next level. The cutoff varies as per class.
IEO 2024-25 answer key for set A, B and C are released on separate dates.
Questions related to IEO
On Question asked by student community
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Hello,
I am not familiar with the specific awards or recognition for that score, it is possible that you may receive some form of recognition or certificate for your performance. IEO might have their own criteria for awards, so it is best to check with them or your school to
Hello Aspirant,
See till now Science Olympiad Foundation (SOF) has not released the results of IEO 2021-22 neither they have released any notification regarding it but it is expected to be released before February 15th 2022, so you have to wait for some more time.
Once it will get released,
Hello,
I am Hopeful your query is regarding the International English Olympiad that is conducted by Science Olympiad Foundation (SOF).
-------- There hasn't been any exact date released for result declaration of International English Olympiad by SOF.
-------- As per the details available on the official website of Science Olympiad