International Science Olympiad (ISO) - Offline by Indian Talent Olympiad
by Indian Talent Olympiad (ITO)
₹1,00,000 Cash Prize
International Science Olympiad (ISO) - Offline by Indian Talent Olympiad is a competition by Indian Talent Olympiad (ITO) for students in Class 1–10, open to students across India. Registration closes 10 Nov 2026.
Mode
In-Person
Eligibility
Class 1–10
Fee
₹240
Duration
65 minutes per round
Format
Individual
Time needed
The exam duration is 65 minutes per round. Students should also allocate time for preparation using recommended resources.
Key Dates
- Registration opens
- 1 May 2026
- Registration closes
- 10 Nov 2026
- Competition
- 4 Dec 2026 – 8 Jan 2027
- Results
- 31 Mar 2027
Online · N/A
About This Opportunity
The International Science Olympiad (ISO), conducted by the Indian Talent Olympiad (ITO), is a national-level competition designed to assess and enhance students' knowledge in Physics, Chemistry, and Biology. This offline examination aims to promote scientific curiosity, analytical skills, and innovative thinking among students from Class 1 to Class 10.
The ISO is based on applied science and aligns with the school curriculum, covering topics from CBSE, ICSE, and various state boards. It features two levels of examination, with the first round typically held in November. The exam consists of multiple-choice questions (MCQs) and includes sections on subjective knowledge, logical reasoning, and higher-order thinking skills.
Participation in ISO helps students strengthen their conceptual understanding, improve problem-solving abilities, and prepare for future academic challenges. ITO has a wide network, associating with over 33,175 schools and reaching over one crore students across India.
The Olympiad provides a platform for students to test their skills against peers nationally and receive recognition for their achievements. This competition is ideal for students passionate about science and looking to challenge themselves beyond regular school academics.
Eligibility
- Grade Level
- Class 1–10
- Age Range
- 6 - 15 years
- Location
- Nationwide
Academic requirement
Students must be enrolled in a recognized school affiliated with CBSE, ICSE, State Boards, or other recognized boards.
Additional requirements
- Students can register individually or through their schools.
Open to students from Class 1 to 10 enrolled in any recognized school across India (CBSE, ICSE, State Boards). No minimum marks or age restrictions apply. Students can register individually or through their schools.
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Academic Details
Difficulty: Mixed Levels
What's covered
The syllabus is based on the school curriculum, covering topics from CBSE, ICSE, and various state boards. It includes subjective questions, logical reasoning, and higher-order thinking questions. Detailed class-wise syllabi are available on the Indian Talent Olympiad website.
Rewards & Recognition
Award
₹1,00,000
National Rank 1 winners receive ₹1,00,000. National Rank 2 winners receive ₹40,000. State Rank 1-10 winners receive ₹4,000 scholarships. Additionally, 10 students subsequent to second rank holders nationally receive Laptops OR ₹20,000, and 100 meritorious students earning the 4th rank receive Tablets OR ₹8,000.
Prizes
Laptops, Tablets & Medals
Laptops are awarded to 10 students who stand subsequent to second rank holders on the national level. Tablets are awarded to 100 meritorious students who earn the 4th rank. Excellence Medal Awards are also allotted to eligible students.
Certificate
Certificate of Participation & Merit
All participants receive a Certificate of Participation. Top performers receive Merit Certificates and Special Recognition Certificates with rank details.
Opens doors to
Participation demonstrates strong academic aptitude and a passion for science, which can be beneficial for admissions to prestigious colleges and universities in science and engineering programs, providing a competitive edge in higher education.
Career pathways
Participation in ISO lays a strong foundation for careers in STEM fields (Science, Technology, Engineering, Mathematics) by fostering early interest and strong analytical skills, providing a competitive edge in future job markets.
Recognition
National Level Recognition
Skills your child builds
Highlights
- Two-level examination structure to identify top talent.
- Syllabus aligned with CBSE, ICSE, and State Boards.
- Awards and scholarships for national and state-level toppers.
- Focus on logical reasoning and higher-order thinking skills.
- Offline exam mode conducted within school premises.
Exam format
- Duration
- 65 minutes
- Format
- Multiple Choice Questions (MCQs). For Classes 1-4, there are 35 questions. For Classes 5-10, there are 50 questions. Each question carries 1 mark.
- Language
- English
Rounds & format
The ISO exam has two levels. Round 1 is conducted in two slots, typically in December and February. Students who qualify in Round 1 are eligible to appear for Round 2 (Final Round).
How entries are judged
Ranks are determined based on marks scored in different sections of the exam. In case of a tie, priority is given to marks in specific sections (Science, Logical Reasoning). Time taken to complete the exam and negative marking (0.25) may also be used as tie-breakers.
Selection process
Students qualify for the 2nd level if they are among the top 20% of students who appeared for the 1st level exam, or if they are a class topper (minimum 10 students from a class appear and score at least 50% marks).
How to apply
- 1Schools need to register with Indian Talent Olympiad and submit participant names and classes.
- 2Individual registration is possible via the official Indian Talent Olympiad website (indiantalent.org) by filling out the registration form and paying the fee online.
- 3For offline exams, schools will receive OMR answer sheets and question papers.
- 4Students registering individually will follow the online exam schedule.
How to prepare
- Olympiad workbooks provided by Indian Talent Olympiad (available for purchase).
- Previous years' question papers (available for purchase).
- School textbooks and curriculum materials.
Fees & financial support
Fee details
The individual entry fee for students from Class 1 to Class 10 is ₹240 for Round 1 and ₹ 175 for school registration. Students who qualify for the 2nd Round need to pay an additional ₹120 as a registration fee for the second round. Schools may have a consolidated fee structure, typically ₹125 per student per subject for school registrations.
Refund policy
Refund policy details are typically available on the Indian Talent Olympiad official website or can be inquired about by contacting their support.
Frequently asked questions
What is the last date to register for International Science Olympiad (ISO) - Offline by Indian Talent Olympiad?
The registration deadline is 10 Nov 2026.
Is International Science Olympiad (ISO) - Offline by Indian Talent Olympiad free?
₹240 registration
Who can participate in International Science Olympiad (ISO) - Offline by Indian Talent Olympiad?
Students in Class 1–10. children aged 6-15.
What will my child gain from International Science Olympiad (ISO) - Offline by Indian Talent Olympiad?
Cash prizes up to ₹1,00,000 for National Rank 1 winners.. Scholarships of ₹4,000 for State Rank 1-10 winners.. Certificates of merit and participation for all students.. Enhances conceptual understanding and problem-solving skills in science.. Prepares students for future competitive exams and academic challenges.. Provides national-level recognition and boosts confidence.. State Level Scholarships and Excellence Medal Awards (For School Registered) are allotted to the students who fit the criteria of the respective awards as well..
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