IOS Exam Dates and Schedule 2025-26 

iOS 2025-26 exam date: The International Olympiad of Science (iOS) is a highly respected competition that aims to develop scientific aptitude and logical reasoning skills among school students. Every year, thousands of students across India and abroad participate in this examination. If you're planning to appear for the upcoming session, understanding the iOS 2025-26 exam dates and schedule is crucial for strategic preparation.

This article covers all the important dates, including the registration deadline, exam days, and result announcements for iOS 2025-26. Stay informed and stay ahead.

What is iOS 2025-26?

The International Olympiad of Science (iOS) is conducted annually by the Society of Science Education. It is designed to assess the scientific understanding of students from Classes 1 to 12. The competition is held in two levels, and it offers students the opportunity to prove their competence at national and international levels.

iOS 2025-26 Exam Dates and Schedule (Tentative)

Below is the tentative schedule for the iOS 2025-26 Olympiad:

Note: These dates are provisional and subject to change. For the most accurate and updated information, refer to the official website of the conducting organization.

iOS 2025-26 Registration Deadline

The last date to register for iOS 2025-26 is 30th August 2025. Schools must complete the registration process by this date. Students can only appear for the exam if their school is registered with the conducting body.

Important Registration Guidelines:

• Only schools can register students; individual registrations may not be accepted.
• Ensure that all details submitted during registration are accurate.
• Students must receive their admit cards before the exam date.

iOS 2025-26 Exam Dates (Level 1)

The Level 1 examination will be conducted on two dates, allowing schools the flexibility to choose one:

1. 18th November 2025 (Tuesday)
2. 10th December 2025 (Wednesday)

Only one date is allotted to each school based on the schedule selected during registration. The exam will be held during regular school hours.

iOS 2025-26 Result Date (Level 1)

The results for the Level 1 exam of iOS 2025-26 are expected to be declared in February or March 2026. Students can check their results on the official website using their roll number.

Details Included in the Result:

• Marks obtained
• School rank, zonal rank, and international rank
• Eligibility for Level 2 (if applicable)

iOS 2025-26 Level 2 Exam Date and Results

Only top-performing students in Level 1 will be eligible to appear for Level 2 of the iOS exam. The dates for Level 2 will be notified after the announcement of Level 1 results.

Highlights of Level 2:

• Advanced-level questions
• Opportunity to win medals, scholarships, and certificates
• Final stage for international ranking

Stay tuned to the official portal for announcements regarding the Level 2 exam schedule.

iOS 2025-26 Important Dates

Here is a quick reference to the key dates:

Preparation Strategy Based on iOS 2025-26 Schedule

With the iOS 2025-26 exam dates and schedule in hand, students can better manage their preparation. Here are some tips to make the most of your time:

1. Start Early

Begin your preparation as soon as you register. Early starters often have more time for concept clarity and revision.

2. Use iOS Sample Papers

Practice with previous year’s iOS sample papers and mock tests to familiarize yourself with the question pattern.

3. Stick to the Syllabus

Focus on the science syllabus prescribed for your grade. Avoid studying unnecessary topics that are outside the exam scope.

4. Allocate Time Smartly

Divide your study time into daily or weekly goals. Make sure to leave ample time for revision before the exam.

5. Track Updates

Regularly check the official website or ask your school coordinator for any changes or announcements regarding the iOS 2025-26 schedule.

Why the iOS 2025-26 Exam Dates and Schedule Matter?

Understanding the iOS 2025-26 exam timeline can help students in the following ways:

• Plan preparation systematically
• Avoid missing registration deadlines
• Practice efficiently using sample papers
• Reduce stress through timely revision

Missing out on a single date can result in the loss of an opportunity to participate in a national-level competition. Therefore, awareness of the iOS 2025-26 schedule is a key to success.

Conclusion

The iOS 2025-26 exam dates and schedule form the foundation of any preparation strategy. Students and parents must take note of all important deadlines, exam days, and result timelines to stay on track.

Start your preparations early, stay informed, and make sure your registration is completed on time. Whether you are appearing for the first time or aiming for the top international ranks, managing your calendar around the iOS 2025-26 Olympiad schedule can significantly boost your chances of success.

iOS 2025-26 Exam Dates and Schedule FAQs

Q1. What is the last date to register for the iOS 2025-26 Olympiad?

Answer: The last date for registration for the iOS 2025-26 Olympiad is 30th August 2025 (tentative). Students are advised to complete the registration process well in advance through their schools or the official Science Olympiad Foundation (SOF) website to avoid any last-minute issues.

Q2. When will the iOS 2025-26 Level 1 exam be conducted?

Answer: The iOS 2025-26 Level 1 exam will be held on two separate dates to accommodate different schools:

• 18th November 2025 (Tuesday)
• 10th December 2025 (Wednesday)

Schools may choose either of these dates based on their academic schedule.

Q3. When can students expect the results of the iOS 2025-26 Level 1 exam?

Answer: The results of the iOS 2025-26 Level 1 exam are expected to be declared between February and March 2026. Students can check their results online through the official SOF website using their roll number.

Q4. Is there a Level 2 for the iOS 2025-26 Olympiad, and when will it be conducted?Yes, the iOS Answer: Olympiad may include a Level 2 exam for qualifying students, depending on their performance in Level 1. The exact date for the iOS 2025-26 Level 2 exam has not been announced yet and will be notified later on the official website or through the respective schools.

Q5. Can I choose the exam date for the iOS 2025-26 Olympiad as an individual participant?

Answer: No, individual students cannot choose the exam date. The exam date is selected by the school when they register their students for the iOS 2025-26 Olympiad. Students should coordinate with their school authorities to know their assigned date.