International Olympiad of Science (IOS) Overview – Everything You Need to Know

The adventure of learning science continues in a school setting and iOS presents students with the unmatched chance to grow in science outside of their usual education. SilverZone Foundation has hosted this award-winning test every year to help young minds develop and evaluate students in physics, chemistry, biology and environmental science.

Starting with sparking interest and ending with giving a solid start, iOS is important in shaping future scientists. Parents and students alike will find this article helpful as they guide them through everything the iOS test offers.

What is the Aim of the iOS Olympiad?

The specific goals of the International Olympiad of Science are designed to foster the intellectual development of pupils in Classes 1 through 12. Consider the following objectives for this test:

Who Can Appear for the iOS Exam?

If you are from Class 1 to Class 12 following boards such as State, CBSE or ICSE, you can take the IOS exam. But it’s important that the school is part of the SilverZone Foundation to qualify students for the iOS Exam.

iOS 2025–26 Exam Format

The IOS exam is held in two levels to ensure fair evaluation and recognition of talent:

Level 1:

Open to all students from Class 1 to 12.

Level 2:

Conducted only for top-performing students from Level 1, offering them a chance to compete at a higher level.

iOS Class-wise Syllabus 2025-26

The syllabus for the iOS exam follows the major Indian educational boards and is tailored for each grade level. Here’s a snapshot of what students will learn:

Classes 1 to 5

Classes 6 to 8

Classes 9 and 10

Classes 11 and 12 (PCM/PCB)

How to Register for iOS 2025–26?

Students can register on the SilverZone Foundation's official website or through the administrators at their school. The procedure is easy to use and straightforward.

Registration Steps:

1. Go to the official SilverZone Olympiad website.
    
2. Select the iOS Olympiad 2025–26 section.
    
3. Enter your personal and school details.
    
4. Pay the registration fee online.
    
5. Get confirmation via email or SMS.
    

Expected Registration Fee: ₹125–₹150 per subject

iOS 2025–26 Important Dates (Tentative)

The important dates for the iOS Exam have been given below. Follow the table for more data:

Steps for Getting Started with iOS Exam

Hoping to have success in the iOS Olympiad? A few things might assist you:

• Read through the Syllabus Carefully: See which subjects are the most significant for your score.
• Very old questions: Exam papers from many years ago show you how questions have evolved over the years.
• Practice regularly by doing timed mock tests to build your speed and confidence.
• Follow North-Central Regional Council/Board Books, as they help you grasp concepts well.
• Reach for special Olympiad study books and use them in addition to your normal textbooks.
   

Why Should You Participate in iOS?

The IOS exam does more than test your knowledge—it builds skills for life. Here are some major benefits:

iOS Awards and Recognition

The International Olympiad of Science rewards excellence at various levels. Here's what you can win:

Conclusion

Students in the earlier years of school can learn more about science and boost their studying through the International Olympiad of Science (iOS). iOS test helps aspiring students achieve more and dream bigger through its organized course material, hands-on learning and worldwide reputation.

Parents can use iOS 2025–2026 to support their child’s academic progress and students looking for help with science will also appreciate the changes offered by iOS. Get ready, sign up as soon as you can and make use of this valuable offer!

International Olympiad of Science (iOS) Overview FAQs

Q1. To whom is the International Olympiad of Science (iOS) open?
Answer: Students may be those who are enrolled in CBSE, ICSE, or any other State Board's first to twelfth standard approved. The test is usually conducted by schools, but students may also register individually by visiting SilverZone Foundation's official website.

Q2. Is iOS curriculum in schools distinct from that of the iOS?
Answer: No, the iOS syllabus is mostly the same that is being imparted in schools, be it State Boards, CBSE, or ICSE. The only variation is that rather than being tested on fact memorization alone, the questions are designed to test students' concepts and application of the same.

Q3. What is the structure of the iOS exam?
Answer: The iOS test is offline and is given using pen and paper. The total number of multiple-choice (MCQ) questions is 40, and each question has a value of 2.5 points. The 60-minute test is speed and mental awareness based.

Q4. Once you've completed Level 1 of the iOS, what's next?
Answer: The answer is that the highest achievers in Level 1 are invited to undertake the more demanding Level 2 round. The highest in each grade are chosen, and those who pass the grade are rewarded with increased opportunities and prestige. 

Q5. Are there any incentives or advantages to participating in the iOS? 
Answer: Definitely! At the national and international levels, exceptional students are recognized with medals, certificates, prizes, and scholarships. Win or lose, the experience is worthwhile because every participant receives an online certificate of participation.