The Central Board of Secondary Education (CBSE) has introduced a major syllabus update for Class 10 and Class 11 (2026–27 session) based on the National Education Policy 2020 and National Curriculum Framework 2023.

If you’re a student, parent, or teacher, this guide will help you understand what has changed, what is removed, and what is newly added—with an easy subject-wise comparison dashboard.

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Class 9th

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MATHEMATICS (Old vs New) Class 9th

📊 Side-by-Side Chapter Comparison

OLD (2025–26)	NEW (2026–27)
Number Systems	Number Systems (expanded)
Polynomials	Polynomials (advanced)
Coordinate Geometry (basic)	Coordinate Geometry (Distance, Midpoint added)
Linear Equations (1 variable)	Linear Equations (2 variables added)
Triangles	Triangles (more proofs)
Circles	Circles + Areas Related to Circles
Surface Areas & Volumes	Expanded Mensuration
Statistics & Probability (basic)	Probability (more detailed)
—	Arithmetic Progression (NEW)
—	Geometric Progression (NEW)

🔥 Key Changes

• Chapters increased (~12 → ~15)
• Advanced topics shifted from Class 10/11 to Class 9
• Focus on problem-solving & analytical thinking

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🔬 SCIENCE (Old vs New) Class 9

📊 Chapter Comparison

OLD (2025–26)	NEW (2026–27)
Matter in Our Surroundings	❌ Removed
Is Matter Around Us Pure	Modified
Atoms & Molecules	Retained
Motion	Retained
Force & Laws of Motion	Retained
Gravitation	❌ Removed
Work & Energy	Expanded (Simple Machines added)
Sound	Retained
Cell & Tissues	Retained
Improvement in Food Resources	❌ Removed
—	Reproduction (NEW, from Class 10)
—	Diversity in Living Organisms (expanded)

🔥 Key Changes

• More real-life & practical learning focus
• Biology topics upgraded (Reproduction added early)
• Less rote, more experiments & inquiry-based learning

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📖 ENGLISH (Old vs New) Class 9th

📊 Structure Comparison

OLD (2025–26)	NEW (2026–27)
Beehive (Literature)	Kaveri (NEW Book)
Moments (Supplementary)	❌ Removed
Reading + Writing + Grammar	Integrated Language Skills
Story/Letter Writing	Persuasive & Research Writing
Basic Literature Analysis	Advanced Literary Analysis

🔥 Key Changes

• New book “Kaveri” introduced
• Focus on:
  • Communication skills
  • Creative & analytical writing
• Less content, more skill-based learning

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🌍 SOCIAL SCIENCE (Old vs New) Class 9th

📊 Structure Comparison

OLD (2025–26)	NEW (2026–27)
4 separate books (History, Geo, Civics, Eco)	Integrated single book
20 chapters	16 thematic units
French Revolution, Nazism	Indian civilisation focus
Physical Geography	Earth systems + climate
Basic Civics & Economics	Democracy + Finance + Society
—	Indian Knowledge Systems (NEW)
—	Entrepreneurship & Personal Finance

🔥 Key Changes

• Shift to interdisciplinary themes
• Reduced rote learning, more concept-based learning
• Strong focus on:
  • Indian heritage
  • Real-world skills

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⚡ OVERALL KEY DIFFERENCE (Dashboard Summary Widget) Class 9th

Feature	OLD	NEW
Approach	Content-heavy	Concept-based
Learning Style	Rote learning	Experiential learning
Subjects	Separate	Integrated
Difficulty	Moderate	Conceptually deeper
Focus	Exams	Skills + Application

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📐 Mathematics (Class 10)

📊 Chapter Comparison

OLD (2025–26)	NEW (2026–27)
Real Numbers	Real Numbers (application-based)
Polynomials	Polynomials (higher-order problems)
Pair of Linear Equations	Systems of Equations (expanded)
Quadratic Equations	Quadratics + Graphical Analysis
Arithmetic Progression	AP (advanced applications)
Triangles	Triangles (proof-based emphasis)
Circles	Circles + Tangent Applications
Surface Areas & Volumes	Mensuration (real-life cases)
Statistics	Data Interpretation (expanded)
Probability	Probability (case-based)
—	Intro to Functions (NEW)

🔥 Key Changes

• More case-study & graph-based questions
• Early introduction of functions
• Reduced rote → more application-based maths

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🔬 Science (Class 10)

📊 Comparison

OLD	NEW
Chemical Reactions	Chemical Reactions (practical focus)
Acids, Bases, Salts	Retained
Metals & Non-metals	Retained
Life Processes	Simplified
Control & Coordination	Retained
Reproduction	Expanded
Heredity & Evolution	Reduced
Light	Expanded (numericals)
Electricity	Application-based
Magnetic Effects	Retained
—	Environmental Sustainability (NEW)

🔥 Key Changes

• Focus on experiments & real-life science
• Reduced theory-heavy biology
• Environmental topics strengthened

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📖 English (Class 10)

📊 Comparison

OLD	NEW
First Flight	Updated Literature Reader
Footprints Without Feet	❌ Removed
Writing Skills (basic)	Advanced Writing (analytical)
Grammar	Integrated grammar
Reading	Case-based comprehension

🔥 Key Changes

• Focus on:
  • Communication
  • Analytical writing
• Reduced content load

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🌍 Social Science (Class 10)

📊 Comparison

OLD	NEW
Separate books (History, Geo, Civics, Eco)	Integrated Social Science
Nationalism in India	Indian Perspectives (expanded)
Resources & Development	Sustainability focus
Political Parties	Democracy in practice
Economics basics	Financial literacy

🔥 Key Changes

• Interdisciplinary approach
• Focus on:
  • India-centric content
  • Real-world applications

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📗 CLASS 11 – SUBJECT-WISE COMPARISON

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📐 Mathematics (Class 11)

📊 Comparison

OLD	NEW
Sets	Sets (applications)
Relations & Functions	Functions (expanded early)
Trigonometry	Advanced Trigonometry
Straight Lines	Coordinate Geometry expanded
Conic Sections	Retained
Limits & Derivatives	Introduced earlier & deeper
Statistics	Data Science basics
—	Intro to Calculus (stronger focus)

🔥 Key Changes

• Strong foundation for JEE-level thinking
• More focus on:
  • Graphs
  • Calculus

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🔬 Physics (Class 11)

📊 Comparison

OLD	NEW
Physical World	Reduced
Units & Measurements	Retained
Kinematics	Expanded
Laws of Motion	Retained
Work, Energy	Retained
Thermodynamics	Simplified
Oscillations & Waves	Expanded
—	Experimental Physics focus

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⚗️ Chemistry (Class 11)

📊 Comparison

OLD	NEW
Some Basic Concepts	Retained
Structure of Atom	Retained
Classification of Elements	Retained
Chemical Bonding	Expanded
Thermodynamics	Simplified
Equilibrium	Retained
Organic Chemistry	Concept-based intro

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🧬 Biology (Class 11)

📊 Comparison

OLD	NEW
Diversity in Living World	Retained
Structural Organisation	Reduced
Cell Structure	Expanded
Plant Physiology	Retained
Human Physiology	Simplified
—	Biotechnology Basics (NEW)

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📖 English (Class 11)

📊 Comparison

OLD	NEW
Hornbill	Updated
Snapshots	Reduced
Writing Skills	Research-based writing
Grammar	Contextual usage

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⚡ OVERALL DASHBOARD SUMMARY

Feature	OLD	NEW
Approach	Content-heavy	Concept-based
Difficulty	Moderate	Higher-order thinking
Focus	Exams	Skills + Application
Structure	Subject-wise	Integrated
Learning	Theory	Experiential

👉 New curriculum emphasizes:

• Critical thinking
• Real-life application
• Skill-based education

CBSE Official Academic Website

👉 Open CBSE Academic Curriculum Portal

📌 Steps:

1. Open link
2. Click “Secondary Curriculum (IX–X)”
3. Choose subject → Download PDF

👉 CBSE confirms syllabus is available online via official portal

CBSE Class 10 & 11 Syllabus 2026–27: What’s New vs Old? Full Comparison (All Subjects)

CBSE New Syllabus 2026–27 Class 10 & 11 PDF + Old vs New Comparison (Maths, Science, English, SST)

CBSE Class 10 & 11 Syllabus Changes 2026–27: Complete Subject-Wise ComparisonOld vs New

CBSE Syllabus 2026–27 for Class 10 & 11 – Full Breakdown & Dashboard

CBSE 2026–27 Syllabus Update: Class 10 & 11 All Subjects Compared (Old vs New)