SOF IEO Answer Key 2025-26 Out, Check SET A, B, C Answer Key PDF for Class 1 to 12
The Science Olympiad Foundation (SOF) released the IEO answer key 2025-26 for Level 1 Set C on December 22, 2025. The SOF IEO Set A and Set B answer keys were released on November 3 and December 16, 2025, respectively. The SOF IEO exam level 1 was held on September 26, 2025 (Set A), November 11, 2025 (Set B), and November 26, 2025 (Set C). The foundation published the IEO 2025-26 level 1 answer keys in PDF format. Students can click on the link to check and download the SOF IEO answer keys. The Olympiad Foundation released the IEO cut-off for classes 3 to 12 on January 2, 2026.
SOF IEO Set C Answer Keys 2025-26
This Story also Contains
- SOF IEO Answer Key 2025-26 Dates
- How to Download the SOF IEO Answer Key 2025-26?
- SOF IEO Answer Key 2025-26
- Exam Pattern of SOF IEO 2025-26
The IEO Level 2 exam will be conducted on February 8, 2026, for all regions except Maharashtra, and on February 15, 2026, for Maharashtra only. 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.
SOF 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 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 | November 3, 2025 (Set A) December 16, 2025 (Set B) December 22, 2025 (Set C) |
| IEO cut-off | January 2, 2026 |
| IEO Result Level 1 | January 2, 2026 |
| IEO exam date level 2 (Domestic) | February 8, 2026 (for all regions except Maharashtra) February 15, 2026 (for Maharashtra only) |
| IEO exam date level 2 (International) | February 9 to 20, 2026 (Hybrid mode) |
| 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 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 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
SOF IEO Answer Key 2025-26
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 | 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 |
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 thoroughly reviewing the IEO syllabus 2025-26, students should examine the design of the question paper and the pattern of IEO 2025-26. Refer to the following table for more information.
SOF IEO Exam Pattern 2025-26
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
The foundation released the SOF IEO cut-off 2025-26 on January 2, 2026. 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 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 |
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)
Q: Where can I download the IEO 2025-26 answer key from?
A:
IEO SOF answer keys for sets A, B and C can be procured from the official website at sofworld.org.
Q: When will IEO answer key 2025-26 for set A, B, and C be released?
A:
The SOF IEO Set A, Set B, and Set C answer keys were released on November 3, December 16, and December 22, 2025, respectively.
Q: What is the IEO Cut off 2025-26?
A:
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.
Q: Will the IEO answer key 2025-26 be released for all sets on the same day?
A:
IEO 2025-26 answer key for sets A, B and C are released on separate dates.
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 2025-26?
A:
The SOF will conduct the IEO exam 2025-26 for level 2 on February 8, 2026, for all regions except Maharashtra, and on February 15, 2026, for Maharashtra only.
Articles
Related Stories
|
Upcoming School Exams
Certifications By Top Providers
Explore Top Universities Across Globe
Questions related to IEO
On Question asked by student community
Have a question related to IEO ?
Is 41 out of 60 a good score in IEO for Class 6?
Yes, 41 out of 60 is a good score in IEO for Class 6. It shows a strong understanding of the syllabus. Final selection or medals depend on the cut-off decided by SOF, which varies every year
Hello,
Yes, a score of 56.7% may be sufficient to qualify for level 2 of the SOF IEO, but it's not guaranteed, as qualification depends on several relative performance criteria, not a fixed score. SOF doesn't use universal pass marks.
I hope it will clear your query!!
Hello,
No. 40 marks out of 60 does not guarantee qualification for Level 2 of SOF IEO 2025–26.
SOF does not use a fixed cut-off. Selection for Level 2 depends on rank , not only marks.
You qualify for Level 2 if
any one
of these is met:
• Top
Hello,
Here you can access Class 5 IEO (International English Olympiad) SET-B answer key from the mentioned link below:
https://school.careers360.com/articles/ieo-answer-key
Hope it helps.
Hello,
IEO Or International English Olympiad is a two level exam conducted by Science Olympiad Foundation for students of class 1 to 12. The format for this exam is MCQ. It consists of 50 questions and total marks is 60. The exam consists of word and structure knowledge, reading, spoken
Applications for Admissions are open.
As per latest syllabus. Physics formulas, equations, & laws of class 11 & 12th chapters
JEE Main Important Chemistry formulas
Get nowAs per latest syllabus. Chemistry formulas, equations, & laws of class 11 & 12th chapters
JEE Main high scoring chapters and topics
Get nowAs per latest 2024 syllabus. Study 40% syllabus and score upto 100% marks in JEE
JEE Main Important Mathematics Formulas
Get nowAs per latest syllabus. Maths formulas, equations, & theorems of class 11 & 12th chapters
IEO Notifications
Never miss IEO update
Get timely IEO updates directly to your inbox. Stay informed!