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ICSE 2026-27 · Official CISCE Syllabus

Class 9 ICSE
2026-27 Syllabus.

Based on the official CISCE syllabus for ICSE 2026-27, published at cisce.org. Now includes Electricity & Magnetism (Physics) and updated Heat & Energy with Green House Effect. 7 core subjects fully updated.

Official CISCE 2026-27
7 Subjects
Electricity Added
80:20 Pattern
ICSE Class 9 · 2026-27
80Theory Marks
20Internal/Practical
7Core Subjects
2 hrsPhysics Paper
📚 Chapter-wise Practice

ICSE Class 9 — Official 2026-27 Syllabus

Based on official CISCE 2026-27 PDFs from cisce.org. All 7 core subjects fully updated including the newly added Electricity & Magnetism in Physics.

Ch.1 · Pure Arithmetic
Rational and Irrational Numbers
Real numbers, surds, rationalisation of surds, simplifying by rationalising denominator, representation on number line, proofs of irrationality of √2, √3, √5
Ch.2 · Commercial Maths
Compound Interest
CI as repeated SI with growing principal, amount formula A=P(1+r/100)^n, half-yearly compounding, finding A/P/r/n given combinations, CI–SI difference, rate of growth and depreciation
Ch.3 · Algebra
Expansions and Factorisation
Algebraic identities: (a±b)², (a±b)³, (x±a)(x±b), (a±b±c)²; Factorisation: a²-b², a³±b³, ax²+bx+c by splitting middle term
Ch.4 · Algebra
Simultaneous Linear Equations
Solving by elimination, substitution and cross-multiplication; framing and solving word problems
Ch.5 · Algebra
Indices / Exponents
Positive, fractional, negative and zero indices; laws of indices: aᵐ×aⁿ=aᵐ⁺ⁿ, aᵐ÷aⁿ=aᵐ⁻ⁿ, (aᵐ)ⁿ=aᵐⁿ; simplification of expressions
Ch.6 · Algebra
Logarithms
Logarithmic vs exponential form, laws of logarithms, expansion of expressions using log laws (e.g. log y = 4log a + 2log b - 3log c)
Ch.7 · Geometry
Triangles
Congruency (SSS, SAS, AAS, RHS); angles opposite equal sides; triangle inequalities; Mid-Point Theorem with proof; Equal Intercept Theorem; Pythagoras Theorem (area-based proof) and converse
Ch.8 · Geometry
Rectilinear Figures
Parallelogram theorems (all 6 properties with proofs), constructions of quadrilaterals and regular hexagon, area theorems on parallelograms (same base and between same parallels)
Ch.9 · Geometry
Circle — Chord Properties
Perpendicular from centre bisects chord, equal chords equidistant from centre, one circle through 3 points; arc and chord properties: equal arcs ↔ equal angles and equal chords
Ch.10 · Statistics
Statistics
Raw, arrayed and grouped data, tally marks, mean and median of ungrouped data, class intervals, frequency tables, grouped frequency distributions (continuous intervals), frequency polygon
Ch.11 · Mensuration
Area, Perimeter and Volumes
Area and perimeter of triangles (Heron's), all quadrilaterals; circle area and circumference; sectors; surface area and volume of cube and cuboid (including inner/outer dimensions, cost, open/closed)
Ch.12 · Trigonometry
Trigonometry
sin, cos, tan and reciprocals; standard angles 0°,30°,45°,60°,90°; simple 2D problems with right-angled triangle; complementary angle relations
Ch.13 · Coordinate Geometry
Coordinate Geometry
Cartesian plane, ordered pairs, plotting points, solving simultaneous equations graphically, distance formula
💡 Expert Tips

Score High in ICSE Class 9 — 2026-27

Tips based on the actual 2026-27 CISCE syllabus and exam pattern.

Physics: New Electricity Unit
Electricity & Magnetism is a completely new unit in 2026-27 ICSE Physics. It covers circuits, current, potential difference, induced magnetism and electromagnets. Start this early — it'll be fresh for examiners.
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Maths: Logs + CI are Unique to ICSE
Logarithms and Compound Interest are present in ICSE but not in CBSE Class 9. These carry high marks. Master the log laws and CI formula A=P(1+r/100)ⁿ thoroughly.
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Biology: Draw Diagrams
ICSE Biology is heavily diagram-based. Cell organelles, plant tissues, flower parts, seed structure — practice neat labelled diagrams for all chapters. Poor diagrams = lost marks.
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Geography: Focus on Chapters 1–5
Earth as a Planet, Rotation/Revolution, and Structure of the Earth carry the most marks. Understand equinoxes, solstices, tides and rock types with diagrams.
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English: Vocabulary from Text
The comprehension asks for antonyms "from the passage." Read the passage twice before answering. Vocabulary questions require you to find words from the passage itself — not general vocabulary.
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ICSE Depth > CBSE Breadth
ICSE tests deeper understanding than CBSE. Don't just memorise — understand WHY. In Maths, know proofs of all geometry theorems. In History, understand causes and effects, not just dates.