ISC Class 12 Syllabus 2026-27: Subject-wise PDF & Latest Changes

30 March 2026

The ISC Class 12 Regulations 2026-27 define the official rules set by the CISCE for examinations, subject requirements, and evaluation.

For the 2027 cycle, the board has focused on clarity and simplification rather than major structural changes, making the regulations easier for students to understand and follow.

ISC Class 12 Syllabus 2026-27 for All Subjects

Along with all the important details about CISCE Syllabus for Class 12 (2026-27), students can download subject-wise syllabus PDFs from their respective pages on the official website.

Here’s the complete list of major subjects offered under ISC Class 12:

ISC Class 12 English Syllabus 2026-27

ISC  Class 12 Hindi Syllabus 2026-27

ISC Class 12 Physics Syllabus 2026-27

ISC Class 12 Chemistry Syllabus 2026-27

ISC Class 12 Biology Syllabus 2026-27

ISC Class 12 Mathematics Syllabus 2026-27

Latest Updates in ISC Syllabus 2026-27

Instead of major changes, the new document introduces targeted improvements that actually matter.

Area Old Regulations New Regulations Impact
Certification Pass Certificate & Statement of Marks (Seperate) Single combines document Simplified results
Terminology Pass Qualified Modernised wording
Pass Criteria Present but less clear Clearly defined (5-6 subjects, English & SUPW) Less confusion
Internal Assessment Same components Better explanation More consistency
Syllabus Alignment Older references Updated subjects aligned Relevant content

ISC Class 12 Exam Pattern 2026-27

No major changes have been introduced in the distribution of marks associated with each subject in Class 12 ISC. 

Subjects Theory + Practical/ Project Total
English 100 100
Physics, Chemistry, Biology 70 + 30 100
Accounts, Business Studies 80 + 20 100
History, Political Science, Psychology, Sociology 80 + 20 100
Mathematics, Computer Science 80 + 20 100
Fashion Designing, Hospitality Management, Music, Art 50 + 50 100

The exam structure remains consistent and follows a two-part system.

Component Type Description
Part I External Exam Written papers for each subject
Part II Internal Exam School-based assessment

ISC Class 12 Subject Requirements & Combinations

There is little shift seen in the subject regulation for ISC Class 12 and students must choose their subjects carefully. 

  • English/ Modern English is compulsory 
  • Mathematics/ Applied Mathematics is compulsory 
  • Students must take 4-5 elective subjects 
  • Maximum 6 subjects are allowed 

Subject combinations not allowed:

  • English + Modern English
  • Mathematics + Applied Mathematics
  • Robotics + Artificial Intelligence 

Also Check out the Class 12 Specimen Papers to get a clear idea of how the theory and practical marks are divided across different subjects

ISC Class 12 Marking Scheme & Grading System 2026-27

The ISC Class 12 marking system is clearly defined and remains stable as the previous years.

Criteria Details
Pass Marks 35% per subject
Grades 1 (highest) to 9 (lowest)
Pass Grades 1-8
Fail Grades 9
SUPW Grades A to E (E = Fail)

Deleted Chapters from Class 12 ISC 2026-27

As per the fresh updates by CISCE for all the subjects, there are no major deletions found in the chapters prescribed in the syllabus for academic session 2026-27. Only minor changes are seen in the sub-units of the chapters in some of the subjects (source: CISCE website). Once you have covered the syllabus, we recommend practicing with Previous Year Question Papers to familiarize yourself with recurring board exam trends.

Common Mistakes to Avoid for Class 12 ISC 

Most students don't lose marks because the paper is tough but because they repeat the same predictable mistakes every year. Avoiding these commonly done mistakes can turn out to be extremely helpful. 

1. Studying Without Referring to the Syllabus

Many students waste time on irrelevant topics. Always keep the syllabus in front and focus only on what’s prescribed. Smart study beats random effort every time.

2. Taking Internal Assessment Lightly

Those 20–30 marks can make a huge difference in the final score. Incomplete or poorly done projects can cost easy marks, treat them as seriously as theory papers. 

3. Writing More Instead of Writing Right

ISC examiners value clarity, structure, and accuracy. Stick to the question, use proper keywords, and avoid unnecessary explanations.

4. Skipping Regular Revision

Studying once is not enough. Without revision, concepts fade quickly. A weekly revision plan helps retain information and reduces last-minute stress.

5. Only Reading, Not Practicing Writing

Reading gives understanding, but writing builds performance. Practice writing answers within time limits, because in the exam, speed and presentation matter.

Stay consistent and focused. ISC exams reward students who prepare smartly and avoid these common pitfalls, not those who rely on last-minute studying. 

FAQs

Q1. Is there any major change in the ISC Class 12 Syllabus 2026-27?

Ans. No, there is no major structural change in the syllabus. However, the Council for the Indian School Certificate Examinations has improved clarity and aligned the syllabus with updated academic requirements.

Q2. Is the ISC Class 12 exam tough compared to other boards?

Ans. ISC is considered slightly more detailed because it:

  • Focuses on conceptual clarity
  • Requires structured answers
  • Includes strong internal assessment components

Q3. What is the best strategy to prepare for ISC Class 12 exams?

Ans. A smart strategy includes:

  • Studying strictly as per syllabus
  • Regular revision
  • Practicing answer writing
  • Taking internal assessments seriously

Q4. What happens if I score less than 35% in one subject?

Ans. You’ll be marked “Not Qualified”. So, you can:

  • Give Improvement Exam (max 2 subjects)
  • Or reappear for all subjects next year

Q5. Which subjects are considered toughest in ISC?

Ans. Students usually find these challenging:

  • Physics
  • Mathematics
  • Chemistry
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