International Science Olympiad (Indian Talent) 2026-27
Indian Talent ISO is the science olympiad that Indian Talent Olympiad runs for Classes 1 to 12. The online exam has two rounds.
When is Indian Talent ISO 2026-27?
School exam (the school picks one date): 9 Oct 20262 Dec 202618 Dec 2026
Online Round 1 (pick a slot): 4 Dec 20268 Jan 2027
Final schedule 20 days before (tentative).
Paper in school. Or online from home (8 AM to 8 PM slot).
How do I register my child, and what does it cost?
Paper exam: through the school (school needs 40 or more students). Online exam: parents register directly. Fee: school paper exam ₹175 (school keeps ₹25). Online, register yourself: ₹500 (and ₹500 for Round 2).
What is in the paper?
Paper: 35 questions for Classes 1 to 4, 50 questions for Classes 5 to 10, 65 minutes. Online: 35 questions for Classes 1 to 4 in 30 minutes, 50 questions in 45 minutes for Classes 5 to 10. Negative marking: not published. Language: English.
What is the syllabus?
CBSE, ICSE, state and international boards. Sections: subject, logical reasoning, higher-order thinking.
The topics, class by class, as the organiser lists them:
Class 1
SECTION 1 - SUBJECTIVE: Living And Non Living · Me And My Body · Animals Around Us · Plants Around Us · Our Needs · Good Habits · Safety And First Aid · Health And Hygiene · Earth And Sky · Transport · Communication
SECTION 2 - LOGICAL REASONING: Patterns · Measuring Units (Verbal) · Geometrical Shapes · Odd One Out · Spatial Understanding · Grouping · Analogy · Ranking · Symmetry · Paper Folding · Paper Cutting · Situation Reaction · Mirror Image · Water Image
SECTION 3 - HOT's (HIGH ORDER THINKING SECTION): High Order Thinking Section contains questions related to Section 1 - Subjective.
Class 2
SECTION 1 - SUBJECTIVE: Food, Clothing And Shelter · Know Your Body · Plants Around Us · Animals Around Us · Air, Water And Weather · Places In The Neighbourhood · Good Habits And Safety Rule · Transport And Communication · Festival And Celebration · Occupation · The World Around Me: Sun, Moon, Sky And Stars · Time, Space, Direction
SECTION 2 - LOGICAL REASONING: Patterns · Measuring Units · Geometrical Shapes · Odd One Out · Analogy · Ranking Test · Grouping Figures · Coding-Decoding · Symmetry · Paper Folding · Paper Cutting · Situation Reaction · Mirror Image · Water Image
SECTION 3 - HOT's (HIGH ORDER THINKING SECTION): High Order Thinking Section contains questions related to Section 1 - Subjective.
Class 3
SECTION 1 - SUBJECTIVE: Living And Non-Living · Human Body · Plants And Its Part · Animals And Its Habitat · Human Body · Cleanliness, Health And Hygiene · Food And Its Component · Housing And Clothing · Forms Of Matter: Solids, Liquids And Gases · Water As A Resource · Transport And Communication · Weather And Sky · Light And Sound
SECTION 2 - LOGICAL REASONING: Number Series · Analogy and Classification · Alphabet Test · Coding-Decoding · Ranking Test · Grouping of Figures and Matrix · Mirror Images · Geomatrical Shapes · Embedded Figures · Days and Dates and Possible Combinations · Blood Relations · Direction Sense Test · Water Images · Logical Sequence of Words and Letters
SECTION 3 - HOT's (HIGH ORDER THINKING SECTION): High Order Thinking Section contains questions related to Section 1 - Subjective.
Class 4
SECTION 1 - SUBJECTIVE: Human Body · Adaptation In Animals And Plants · The World Of Birds · Food And Its Component · Clothes We Wear · Our Environment · Air · Material And Solutions · Light And Shadow · Earth And Its Neighbour · Push And Pull · Friction As A Force
SECTION 2 - LOGICAL REASONING: Alphabet Test · Coding-Decoding · Ranking Test · Mirror Images · Geometrical Shapes and Solids · Embedded Figures · Direction Sense Test · Days and Dates and Possible Combinations · Analogy and Classification · Water Images · Blood Relations · Number Series · Grouping of Figures and Matrix · Logical Sequence of Words and Letters
SECTION 3 - HOT's (HIGH ORDER THINKING SECTION): High Order Thinking Section contains questions related to Section 1 - Subjective.
Class 5
SECTION 1 - SUBJECTIVE: Natural Resources · Crops And Agriculture · Environment And Us · Busy At Work - Our Internal Organs · Sense And Emotion · Disease And Its Prevention · Fuels And Energy · Force, Work, And Energy · Community And Health Hygiene · States Of Matter · Solar System · Light, Sound And Force
SECTION 2 - LOGICAL REASONING: Analogy and Classification · Mirror and Water Image · Direction Sende Test · Ranking Test · Puzzle Test (Verbal) · Coding-Decoding · Venn Diagram · Series · Blood Relations · Figure Matrix · Mathematical Operations · Alphabet Test · Cubes and Dice
SECTION 3 - HOT's (HIGH ORDER THINKING SECTION): High Order Thinking Section contains questions related to Section 1 - Subjective.
Class 6
SECTION 1 - SUBJECTIVE: Physical Quantities Of Measurement · Motion · Light · Electric Circuits · Magnetism · Living Organism And Its Classification · Substances In Daily Use · The Cell · Movement In Living Beings · Food And Nutrition · Compound And Mixtures · Changes Around Us · Classification Of Materials
SECTION 2 - LOGICAL REASONING: Series Completion and Inserting the Missing Character · Alpha-Numeric Sequence · Analogy and Classification · Coding-Decoding · Blood Relations · Direction Sense Test · Logical Venn Diagram · Puzzle · Mathematical Operations · Analytical Reasoning · Mirror and Water Images · Embedded Figures and Figure Formation · Figure Matrix · Ranking · Cubes and Dice
SECTION 3 - HOT's (HIGH ORDER THINKING SECTION): High Order Thinking Section contains questions related to Section 1 - Subjective.
Class 7
SECTION 1 - SUBJECTIVE: Physical Quantities And Measurement · Heat · Light Propagation · Electricity · Sound And Its Propagation · Organization Of Living Things · Reproduction In Living Things · Control And Co-Ordination · Circulation · Component Of Food · Tissue: Plant And Animal · Natural Resources And Calamities · Waste Water Management · Classification Of Substances · Acids, Bases And Salts · Atomic Structure · Metal And Non Metals
SECTION 2 - LOGICAL REASONING: Series Completion and Inserting the Missing Character · Alpha-Numeric Sequence · Analogy and Classification · Coding-Decoding · Blood Relations · Direction Sense Test · Logical Venn Diagram · Puzzle · Mathematical Operations · Analytical Reasoning · Mirror and Water Images · Embedded Figures and Figure Formation · Figure Matrix · Ranking · Construction of Squares
SECTION 3 - HOT's (HIGH ORDER THINKING SECTION): High Order Thinking Section contains questions related to Section 1 - Subjective.
Class 8
SECTION 1 - SUBJECTIVE: Matter In Our Surroundings · Physical Quantities And Measurement · Light · Energy And Its Forms · Electricity · Biological Diversity · Soil And Agriculture · Human Health And Desease · Transport Of Food And Minerals In Plants · Reproduction In Plants And Animals · Ecosystem · Properties Of Substance · Chemical Reaction · Pollution · Carbon And Its Compound
SECTION 2 - LOGICAL REASONING: Series Completion and Inserting the Missing Character · Alpha-Numeric Sequence · Analogy and Classification · Coding-Decoding · Blood Relations · Direction Sense Test · Logical Venn Diagram · Puzzle · Mathematical Operations · Analytical Reasoning · Mirror and Water Images · Embedded Figures and Figure Formation · Figure Matrix · Ranking · Construction of Squares
SECTION 3 - HOT's (HIGH ORDER THINKING SECTION): High Order Thinking Section contains questions related to Section 1 - Subjective.
Syllabus topics and a sample question for your child's class:
Is there a Level 2, and who goes?
Paper exam: rounds not published. Online exam: two rounds (Round 1 qualifiers sit Round 2).
When do results come, and what can my child win?
Result date not published. See them on Indian Talent's own website with the roll number. It shows the rank and any award.
- Class medals (top 3) only if 10 or more students per class per subject
- Cash prizes up to ₹20,000
Where can I find Indian Talent ISO sample papers and previous year papers?
Not free: past papers come with its books and app. Olympiad Owl does not share the papers themselves. Our class pages above have a free sample question each, and the app has full mock papers in the previous year paper pattern.
Anything else to know?
Last dates to register for the school exam: Set A by 10 Sep, Set B by 31 Oct and Set C by 10 Nov 2026 (the school chooses its set). For the first online slot, registration closed on 30 Oct 2026.
How can my child prepare for Indian Talent ISO?
A few questions a day in the real pattern, and one full timed paper a week, works better than a last-minute rush.
From Indian Talent's own website, 26 Oct 2026.
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