Call Now
1800-102-2727IOS 2025-26 Eligibility Criteria: The International Olympiad of Science (iOS), conducted by the Indian Talent Olympiad (ITO), is one of the most competitive and respected science olympiads in India. Students from all over the country and abroad participate every year to showcase their scientific understanding and analytical skills.
To participate in this exam, it is important to understand the iOS 2025-26 eligibility criteria clearly. This article provides in-depth details about who can apply, class-wise eligibility, and participation modes for the upcoming session.
The International Olympiad of Science (iOS) 2025-26 is a national-level science competition conducted for students from Class 1 to Class 10. The objective of this Olympiad is to develop students’ interest in science and assess their conceptual clarity through competitive-level questions.
Here is a table outlining the general eligibility conditions for iOS 2025-26:
|
Criteria |
Details |
|
Exam Name |
International Olympiad of Science (iOS) 2025-26 |
|
Conducting Body |
Indian Talent Olympiad (ITO) |
|
Applicable Classes |
Students from Class 1 to Class 10 |
|
Nationality |
Indian and International students studying in India |
|
Eligible Boards |
CBSE, ICSE, State Boards, and other recognized boards |
|
Participation Type |
School Registration or Individual Registration |
|
Previous Participation |
Not mandatory |
|
Mode of Exam |
Online or Offline (as per school choice) |
The Olympiad is open to students studying in any standard from Class 1 to Class 10. Students must be enrolled in a recognized school for the academic session 2025-26.
All students studying under CBSE, ICSE, state boards, and international boards can participate. The Olympiad syllabus is aligned with the current curriculum followed by these boards.
To be eligible for iOS 2025-26, a student must be studying in a recognized school affiliated with any educational board. Indian schools operating abroad are also considered eligible.
|
Class |
Eligibility Requirement |
|
Class 1 |
Must be enrolled in Class 1 during academic year 2025-26 |
|
Class 2 |
Open to students studying in any recognized school in Class 2 |
|
Class 3 |
Should be enrolled in Class 3 and follow a recognized curriculum |
|
Class 4 |
Students must be studying in Class 4 in 2025-26 |
|
Class 5 |
All students in Class 5 are eligible regardless of academic score |
|
Class 6 |
Must be currently enrolled in Class 6 |
|
Class 7 |
Students studying in Class 7 in any Indian or affiliated school |
|
Class 8 |
Class 8 students from all boards and schools are eligible |
|
Class 9 |
Students must be in Class 9 as of the 2025-26 academic session |
|
Class 10 |
Senior-most eligible class; must be actively enrolled in Class 10 |
There are two major ways a student can register for the iOS 2025-26:
Students studying in Indian schools located abroad or NRI students can also register.
|
Criteria |
Details |
|
Nationality |
Must be an Indian student or studying in an Indian school |
|
Location |
Can be outside India |
|
Class |
Must be in Class 1 to Class 10 |
|
Mode of Exam |
Online (as per Indian Talent Olympiad guidelines) |
There is no minimum academic performance requirement for appearing in the iOS exam. It is an open platform where any student who meets the class-based eligibility can participate. Age limits are not enforced as long as the student is in the eligible class range.
No. Students do not need to have appeared in any previous Olympiads to be eligible for iOS 2025-26. First-time participants are welcome across all classes.
Although this article focuses on eligibility, having an idea of the timeline helps in planning ahead.
|
Event |
Tentative Date |
|
Last Date of Registration |
30th August 2025 |
|
First Exam Date |
18th November 2025 (Tuesday) |
|
Second Exam Date |
10th December 2025 (Wednesday) |
|
Result Announcement (Level 1) |
February/March 2026 |
|
Level 2 Exam Date |
To be announced |
The iOS 2025-26 eligibility criteria are designed to be inclusive and student-friendly. With no strict performance filters, students across classes and boards can participate and benefit from this national-level platform. Whether you’re from a metro city or a rural school, this science Olympiad opens the door to national recognition, analytical growth, and academic excellence.
Students and parents are encouraged to register early, understand the syllabus, and begin their preparation in advance.
Q1. Who is eligible to participate in iOS 2025-26?
Answer: Students from Class 1 to Class 10, enrolled in any recognized school affiliated with CBSE, ICSE, state, or international boards are eligible to appear.
Q2. Can students register for iOS 2025-26 individually?
Answer: Yes, students can register individually through the official website of Indian Talent Olympiad if their school is not participating.
Q3. Is there any requirement for previous Olympiad participation?
Answer: No, previous participation is not required. First-time participants can directly apply.
Q4. Are there any minimum marks or age criteria?
Answer: No. There are no minimum academic marks or age restrictions. Eligibility is based only on the student’s class.
Q5. Can Indian students abroad register for iOS 2025-26?
Answer: Yes, Indian students studying abroad in Indian-affiliated schools can register and appear for the exam online.
Talk To Our Experts