International Science Olympiad (ISO) by IOA
by International Olympiad Academy (IOA)
₹10,000 Cash Prize
International Science Olympiad (ISO) by IOA is a competition by International Olympiad Academy (IOA) for students in Class 1–12, open to students across India. Registration closes 30 Apr 2026.
Mode
Online
Eligibility
Class 1–12
Fee
₹300
Duration
90 minutes per round
Format
Individual
Time needed
Requires dedicated preparation time for two rounds of examination, including reviewing syllabus and practicing sample papers.
Key Dates
- Registration opens
- 15 Jan 2026
- Registration closes
- 30 Apr 2026
- Competition
- 23 May 2026 – 31 May 2026
- Results
- 20 Aug 2026
Online · International Olympiad Academy Online Portal
About This Opportunity
The International Science Olympiad (ISO) by IOA is a global competition designed to identify and nurture scientific talent among students from Grade 1 to 12. It offers a platform for students to test their scientific temperament, reasoning ability, and knowledge against peers at an international level. The competition assesses both theoretical and practical understanding of science concepts, encouraging participants to think beyond their textbooks and apply scientific principles.
This Olympiad is open to students enrolled in Grades 1 to 12 who are residing and studying in India or are part of an Indian school system. Participants will enhance their scientific knowledge, critical thinking, and problem-solving skills. Top performers receive significant recognition through medals, merit certificates, and cash scholarships, along with exposure to a competitive environment that prepares them for future academic and career challenges.
Eligibility
- Grade Level
- Class 1–12
- Age Range
- 6 - 18 years
- Location
- Nationwide
Academic requirement
Students must be currently enrolled in a school from Grade 1 to Grade 12.
Prerequisites
- Basic understanding of science concepts as per school curriculum (CBSE, ICSE, State Boards)
Open to students in Grades 1-12 (ages 6-18) from India. Participants must be enrolled in a recognized school (CBSE, ICSE, or State Board). The competition is nationwide, allowing participation from all states and cities in India. There are no gender or financial restrictions.
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Academic Details
Difficulty: Mixed Levels
What's covered
The syllabus is based on the prescribed and updated curriculum of school boards like CBSE, ICSE, State Board, and International Board. It covers topics in Physics, Chemistry, Biology, and Environmental Science, with a focus on applied science and higher-order thinking skills.
Rewards & Recognition
Award
₹10,000
National level winners can receive a cash prize of up to ₹10,000. Additionally, students who achieve a perfect score in the final round receive a year-long cash scholarship.
Prizes
Gold, Silver & Bronze Medals
Gold medals are awarded to the top 5% of competitors, silver to the next 10%, and bronze to the next 10%. All medalists also receive merit certificates.
Certificate
Certificate from IOA
All participants receive a participation certificate. High-achieving students are honored with merit certificates, acknowledging their hard work and dedication to science.
Opens doors to
Participation and achievements in the International Science Olympiad are valuable additions to a student's academic profile, strengthening applications for admission to top universities in STEM fields.
Recognition
International Recognition
Skills your child builds
Highlights
- Opportunity to compete at an international level.
- Focus on scientific temperament and reasoning ability.
- Exposure to the international scientific community through study tours.
Exam format
- Total marks
- 90
- Duration
- 90 minutes
- Format
- Multiple Choice Questions (MCQ)
- Language
- English
Rounds & format
The competition consists of two rounds. The preliminary round shortlists students who then proceed to the final round. The final round features questions of greater difficulty, designed to test scientific temperament and reasoning ability.
How entries are judged
Evaluation is based on multiple-choice questions with varying point values for different difficulty sections. Section A (Easy) awards 3 points, Section B (Medium) awards 4 points, and Section C (Hard) awards 5 points for each correct answer. One mark is deducted for each incorrect answer.
Selection process
Students are shortlisted for the final round based on their performance in the preliminary round. Final round perfect scorers and high achievers receive awards.
How to apply
- 1Students can register online through the International Olympiad Academy (IOA) official website.
- 2The registration process involves filling out an online form with required details and completing the online Olympiad fee payment.
- 3Schools can also register their students collectively through the IOA portal.
How to prepare
- Sample papers available on the official website.
- Past year papers for practice.
- Workbooks and online mock test series provided by IOA.
Fees & financial support
Fee details
The registration fee is ₹300 + GST per subject for individual participation. Schools may have different registration fees. An additional fee of ₹120 may be required for the second round for qualified students.
Refund policy
Fees once paid are non-refundable under any circumstances.
Frequently asked questions
What is the last date to register for International Science Olympiad (ISO) by IOA?
The registration deadline is 30 Apr 2026.
Is International Science Olympiad (ISO) by IOA free?
₹300 registration
Who can participate in International Science Olympiad (ISO) by IOA?
Students in Class 1–12. children aged 6-18.
What will my child gain from International Science Olympiad (ISO) by IOA?
Gold, silver, and bronze medals for top-scoring students.. Merit certificates for medalists and participation certificates for all participants.. Opportunity to participate in international study tours or camps at a subsidized cost.. Enhances scientific knowledge, critical thinking, and problem-solving skills.. Provides a platform to compete at an international level and gain global exposure.. Cash scholarship with national prizes up to ₹10,000..
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