Hello,

The SOF International English Olympiad (IEO) 2025–26 cut-off marks will be released in February 2026. Last year, the cut-off ranged from 33 marks (Class 3) to 49 marks (Class 9).

To know more access below mentioned link:

https://school.careers360.com/articles/ieo-cut-off

Hope it helps.

If you're aiming for the International English Olympiad in 2025–2026, here's what you need to know about the cutoffs. The score you need depends on your class. For kids in Class 1 or 2, you’re looking at around 50 out of 100. Classes 3 to 5 usually need about 55,

Hello,

You can get the SFO IEO Class 8 Set C answer key from the Careers360 website. This website also provides details about exam pattern, syllabus, important dates, marking schemes, previous year exam papers, exam paper analysis, question papers along with answer keys, and preparation tips also.

LINK: https://school.careers360.com/articles/ieo-answer-key

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Hello ,

Here is a relevant link from Careers360. You can check from here:

https://school.careers360.com/articles/ieo-answer-key

This article provides information about the release dates of the answer key for International English Olympiad (IEO) 2025-26 for Sets A, B and C (including Class 7).

Hello,

I hope you doing well !!!

As you asked for IEO SOF olympaid class 5 Set B answer key

Well answer key of set B and C are yet to come and it will release in November and December

For detail information you can go through article given below

Hi dear candidate,

You can find the Science Olympiad Foundation IEO exam answer keys for all the classes (class 1 to 12) and all the sets (A, B and C) from our official website with the link attached below:

SOF IEO Answer Key 2025-26, Check SET A, B, C Answer

Hi dear candidate,

On our official website, you can find the Science Olympiad Foundation's English exam of 5th class sample paper for practice with the link below in PDF format:

SOF IEO Class 5 Sample Paper 2025-26

Answer keys: SOF IEO Answer Key 2025-26, Check SET A, B, C Answer

Hello,

As you asked for IEO 2025 exam paper I've attached a link below from this you can download your resources along with solutions

https://school.careers360.com/articles/sof-ioe-question-paper-answer-key-2025

Thank you