SilverZone International Olympiad of Science (iOS)
Cash prizes up to ₹50,000
The International Olympiad of Science (iOS) is an annual science Olympiad for students of classes 1-12, testing proficiency in Physics, Chemistry, and Biology on a national and international level.
Mode
In-Person
Fee
₹150
Participation format
Individual
Duration
40 minutes (exam duration)
Time needed
40-minute Level 1 exam plus self-paced preparation time.
Eligibility
Age: 6-18 years (Grades 1-12). Open to students from any recognized school board (CBSE, ICSE, State Boards) across India. No minimum academic percentage is required for participation.
- Grade level
- Grade 1 to 12
- Age range
- 6 to 18 years
- Eligibility region
- Available nationwide across India
- Academic requirement
- Students studying in schools affiliated with CBSE, ICSE, or any State Board are eligible to participate.
- Prerequisites
- Basic knowledge of science
See if your child qualifies.
Rewards and recognition
Award
₹50,000
Cash prizes are awarded to top rank holders at the international level. The amounts vary based on the rank achieved, with the highest prize being ₹50,000.
Prizes
Medals & Gift Certificates
Gold, Silver, and Bronze medals are awarded to class toppers in each school. Gift certificates and other exciting prizes are also given to various rank holders.
Certificate
Participation & Topper Certificates
All participants receive a Student Participation Certificate (SPC) and a detailed performance analysis report. Topper Achievement Certificates are provided for international ranks 26 to 500.
Opens doors to
Achievements in national and international Olympiads are often valued in applications for higher education, especially in STEM fields, building a strong foundation for careers in science, technology, engineering, medicine, and research.
Career pathways
Success in the Olympiad can be highlighted in resumes and applications, showcasing a strong aptitude for science and building a strong foundation for careers in science, technology, engineering, medicine, and research.
Recognition
National & International Recognition
Skills your child builds
Key dates
- Registration opened
- 1 Mar 2026
- Registration closed
- 31 Aug 2026
- Competition
- 14 Oct 2026 to 8 Dec 2026
- Results
- 31 Jan 2027
Level 1 Exam Date Option 2
Second option for the Level 1 examination date, conducted in participating schools (IST).
Participating Schools, Nationwide
How to apply
- 1Prospectus and registration forms are sent to schools registered with the SilverZone Foundation.
- 2Unregistered schools can request a prospectus via email or phone.
- 3Students must register through their respective schools; individual registrations are not typically accepted.
- 4A minimum of 20 students per school is required for the school to be designated as an exam center.
Rules and guidelines
- The exam is conducted in the respective schools during school hours.
- All questions are of the multiple-choice (MCQ) format.
- There is no negative marking for incorrect answers.
- The medium of the test is English only.
Technology requirements
- Device with internet connection for mock test
Fees and financial support
Fee details
The participation fee is ₹150 per student when registering through the school, of which the school retains ₹25 for organizing expenses.
Refund policy
Fees once paid are non-refundable.
About this opportunity
The International Olympiad of Science (iOS), by the SilverZone Foundation, is a comprehensive exam evaluating students' grasp of scientific concepts. It encourages a deeper interest in science by testing knowledge in Physics, Chemistry, and Biology in a challenging format.
Open to students from classes 1 to 12 enrolled in CBSE, ICSE, or other recognized State Boards, the Olympiad provides a platform to showcase scientific talent. Participation helps students identify their strengths and weaknesses through a detailed performance analysis report.
Exam format
- Total marks
- 100
- Duration
- 40 minutes
- Format
- Multiple Choice Questions (MCQ)
- Language
- English
Rounds and format
Level 1 is open to all students from classes 1-12. Level 2 is for the top 1000 rank holders from Level 1. Level 3 is for the 1st rank holders of classes 6-12 from Level 2 and is conducted in New Delhi.
How entries are judged
Ranking is based on the marks obtained in the examination. In case of a tie, prize money will be divided among the winners.
Selection process
For Level 2, the top 1000 Olympiad rank holders (from rank 4 to 1003) with a minimum of 50% marks are eligible. Class 1st rank holders with a minimum of 75% marks from schools with at least 100 participants in that subject also qualify.
How to prepare
- Detailed syllabus and sample test papers are available on the SilverZone Foundation website.
- Students can refer to their school textbooks (CBSE, ICSE, State Boards).
- SilverZone also provides reference books and study materials for preparation.
Academic details
Difficulty: Intermediate
What's covered
The syllabus is based on the curricula of CBSE, ICSE, and various State Boards. It also includes a section on Applied Science to test practical understanding.
Frequently asked questions
What are the most effective strategies for students to excel in the International Olympiad of Science?
Students can excel by focusing on conceptual understanding rather than rote memorization, practicing regularly with sample papers and previous year questions, and identifying and strengthening their weak areas through targeted study. Utilizing SilverZone's official study materials and mock tests is highly recommended.
How can students manage competitive pressure and performance anxiety during the Olympiad?
Managing competitive pressure involves consistent preparation, which builds confidence. Students should practice time management during mock tests, maintain a healthy routine, and focus on learning and self-improvement rather than solely on winning. Deep breathing exercises and positive self-talk can also help during the exam.
What common mistakes should participants avoid during their preparation for the iOS?
Common mistakes include neglecting the reasoning and aptitude section, not thoroughly understanding the syllabus, avoiding mock tests, and procrastinating. Students should ensure a balanced study plan covering all sections, review their mistakes from practice tests, and start preparing well in advance.
How are the rankings determined in the International Olympiad of Science, especially in case of a tie?
Rankings are primarily based on the marks obtained in the examination. In the event of a tie, specific tie-breaking rules are applied, which may include criteria such as marks in particular sections or age of the participant. Detailed rules are usually outlined in the official prospectus.
What is the long-term benefit of participating in the iOS beyond immediate prizes and recognition?
Participation in the iOS significantly enhances scientific reasoning, problem-solving, and analytical thinking skills. It provides a strong foundation for higher education in STEM fields, boosts academic profiles for university applications, and fosters a deeper, lasting interest in science, contributing to future career prospects.
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