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SOF IEO Answer Key 2026-27 for Class 1 to 12 - Check SET A, B, C Answer Key PDF
The Science Olympiad Foundation (SOF) will release the IEO answer key 2026-27 for Sets A, B, and C in October, November and December 2026. The SOF IEO exam is being conducted on September 30, 2026, for Set A, whereas Sets B and C will be conducted on October 27, 2026 and November 17, 2026. The foundation will publish the IEO 2026-27 Level 1 answer keys in PDF format on the official website, sofworld.org. Last year, the SOF IEO Set A, Set B and Set C answer keys were released on November 3, December 16, 2026, and December 22, 2025, respectively.
This Story also Contains
- SOF IEO Answer Key 2026-27 Dates
- How to Download the SOF IEO Answer Key 2026-27?
- SOF IEO Answer Key 2026-27
- Previous Year SOF IEO Answer Keys
- Exam Pattern of SOF IEO 2026-27
The IEO answer keys for classes 1 to 12 are published through separate PDFs. Students can calculate their probable scores with the help of the IEO answer key 2026-27. Read the article to learn more about the IEO answer key 2026-27, previous years’ IEO answer keys, details of the final IEO result 2026-27, IEO exam pattern and more.
SOF IEO Answer Key 2026-27 Dates
Students can refer to the following table for information about important dates related to the release of the IEO 2026-27 answer key and other details. It is important to keep track of sofworld.org IEO answer key events to stay on track.
| SOF IEO Events | Important Dates |
|---|---|
| IEO Level 1 Exam Dates | September 30, 2026 October 27, 2026 November 17, 2026 |
| IEO answer key release date 2026-27 | October 2026 (Set A) November 2026 (Set B) December 2026 (Set C) |
| IEO cut-off | January 2027 |
| IEO Result Level 1 | January 2027 |
| IEO exam date level 2 (Domestic) | February 2027 |
| IEO exam date level 2 (International) | February 2027 |
| IEO Result Level 2 | March 2027 |
How to Download the SOF IEO Answer Key 2026-27?
Follow the steps given below to know the process of downloading SOF IEO answer keys for Sets 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 2026-27’
- Step 3: Click on the link of IEO 2026-27 answer key for 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 answers.
Check - Other SOF Answer Key Links
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SOF IEO Answer Key 2026-27
Once released, students can check out the table below to get the set-wise SOF IEO answer keys for A, B, and C. Download the PDFs.
| IEO Level 1 Answer Key Name | Set-A | Set-B | Set-C |
|---|---|---|---|
| IEO Class 1 Answer Key | Available soon | Available soon | Available soon |
| IEO Class 2 Answer Key | Available soon | Available soon | Available soon |
| IEO Class 3 Answer Key | Available soon | Available soon | Available soon |
| IEO Class 4 Answer Key | Available soon | Available soon | Available soon |
| IEO Class 5 Answer Key | Available soon | Available soon | Available soon |
| IEO Class 6 Answer Key | Available soon | Available soon | Available soon |
| IEO Class 7 Answer Key | Available soon | Available soon | Available soon |
| IEO Class 8 Answer Key | Available soon | Available soon | Available soon |
| IEO Class 9 Answer Key | Available soon | Available soon | Available soon |
| IEO Class 10 Answer Key | Available soon | Available soon | Available soon |
| IEO Class 11 Answer Key | Available soon | Available soon | Available soon |
| IEO Class 12 Answer Key | Available soon | Available soon | Available soon |
Previous Year SOF IEO Answer Keys
Below, we have provided the SOF IEO answer keys from last year, 2025-26, for the reference of the students.
| IEO Level 1 Answer Key Name | Set-A | Set-B | Set-C |
|---|---|---|---|
| IEO Class 1 Answer Key | Click here | Click here | Click here |
| IEO Class 2 Answer Key | Click here | Click here | Click here |
| IEO Class 3 Answer Key | Click here | Click here | Click here |
| IEO Class 4 Answer Key | Click here | Click here | Click here |
| IEO Class 5 Answer Key | Click here | Click here | Click here |
| IEO Class 6 Answer Key | Click here | Click here | Click here |
| IEO Class 7 Answer Key | Click here | Click here | Click here |
| IEO Class 8 Answer Key | Click here | Click here | Click here |
| IEO Class 9 Answer Key | Click here | Click here | Click here |
| IEO Class 10 Answer Key | Click here | Click here | Click here |
| IEO Class 11 Answer Key | Click here | Click here | Click here |
| IEO Class 12 Answer Key | Click here | Click here | Click here |
Exam Pattern of SOF IEO 2026-27
In the table below, students can find the exam pattern of the IEO exam 2026-27. Students of classes 1 to 12 are eligible to appear in the IEO exam 2026-27. After thoroughly reviewing the IEO syllabus 2026-27, students should examine the design of the question paper and the pattern of IEO 2026-27. Refer to the following table for more information.
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 through the official website. The IEO cut-off scores vary for each academic year. In the table below, students can find the previous year's cut-off scores for the IEO. 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 IEO Level 1 Cut-Off 2025-26 - Top 5%
| Class | Total Marks | Achievers Section [M4] | Word And Structure Knowledge [M1] | Reading [M2] | Spoken And Written Expression [M3] |
|---|---|---|---|---|---|
| 3 | 31 | 6 | 10 | 10 | 5 |
| 4 | 34 | 8 | 11 | 10 | 5 |
| 5 | 45 | 12 | 21 | 7 | 5 |
| 6 | 43 | 12 | 21 | 7 | 3 |
| 7 | 42 | 9 | 22 | 7 | 4 |
| 8 | 46 | 15 | 21 | 7 | 3 |
| 9 | 46 | 9 | 26 | 8 | 3 |
| 10 | 43 | 9 | 21 | 9 | 4 |
| 11 | 45 | 9 | 23 | 9 | 4 |
| 12 | 46 | 12 | 22 | 9 | 3 |
Frequently Asked Questions (FAQs)
Q: What type of questions come in IEO exam?
A:
The SOF IEO question paper have objective type questions.
Q: When will the foundation conduct the SOF IEO level 2 exam 2026-27?
A:
The SOF will conduct the IEO exam 2026-27 for level 2 in February 2027.
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Questions related to IEO
On Question asked by student community
Have a question related to IEO ?
Dear Student,
Please refer to the link provided below for the question paper:
https://school.careers360.com/articles/ieo-question-paper-2026-27
Hello Dear Student,
You can check, find and access more information here:
You can download SOF IEO 7th sample papers from here - Download SOF IEO Class 7 Sample Paper 2025-26
Here, you can checkout the Class 7 IEO Practice Question Paper for academic session 2025-26 - https://school.careers360.com/download/sample-papers/sof-ieo-class-7-sample-paper-2025-26
Hi Kavya kuntal,
You can find and access the IEO Level 2 Exam Answer Key for Class 7 (2025–26) through the link provided below.
SOF IEO 2025 Question Paper, Answer Key & Exam Pattern – Download PDF for Classes 1 to 12
Hope this Helps.
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