The Council for the Indian School Certificate Examinations (CISCE) has updated the ISC Class 12 Exam Pattern for the academic session 2025-26, ensuring that the assessment framework aligns with the evolving educational objectives of analytical thinking, conceptual clarity, and application-based learning. Students appearing for the Class 12 board examinations must be familiar with the revised structure to prepare efficiently and score well. The updated exam pattern includes a combination of internal assessments, project work, and written examinations depending on the nature of the subject. Below is a detailed overview of the subject-wise format for all major streams—Science, Commerce, and Humanities.
Table of Contents
Overall Structure
The ISC Class 12 evaluation system continues to follow a blend of theory examinations, practical assessments, and project work. Most theory papers are of 80 marks with an additional 20 marks allotted to internal assessments or practicals. Certain subjects, especially in the Science stream, include a 70-30 split, providing significant weightage to hands-on laboratory work. The duration of each theory paper is typically 3 hours, while practical examinations vary between 2 to 3 hours depending on the subject.
Science Stream Paper Format
Physics, Chemistry & Biology
These subjects follow a 70 marks theory + 30 marks practical structure.
Theory Section Includes:
Section A: Short answer questions to test fundamental concepts
Section B: Numericals, application-based questions, and structured responses
Section C: Long answer and analytical questions
Practical examinations involve experiments, observation tables, viva voce, and written practical records.
Mathematics
Mathematics carries 80 marks for theory and 20 marks internal assessment.
The paper includes:
MCQs and short answers
Sectional questions from Algebra, Calculus, Probability, Vectors, and Application-based problems
Long-form questions requiring detailed solutions
Computer Science
The written paper (70 marks) focuses on Python programming, data structures, algorithms, and computer systems.
A 30-mark practical evaluates programming skills and project work.
Commerce Stream Paper Format
Accountancy
Theory is for 80 marks, with 20 marks for project work.
The question paper features:
Short conceptual questions
Journal entries, ledger posting, balance sheet preparation
Analysis-based questions on partnership and company accounts
Business Studies
This subject has an 80-20 format, with an emphasis on case studies, business environments, management functions, and organizational behavior.
Economics
The theory paper is divided into Microeconomics and Macroeconomics.
Includes:
Case-based questions
Numerical problems on national income
Graph-based and data-interpretation questions
Humanities Stream Paper Format
History, Political Science, Sociology, Psychology
These subjects generally follow the 80-20 method.
The theory papers include:
Source-based questions
Structured long answers
Essay-type analytical writing
Projects focus on surveys, fieldwork, or thematic analysis.
English
English Paper 1 (Language) includes essays, comprehension, and grammar.
Paper 2 (Literature) contains text-based questions from drama, prose, and poetry.
Conclusion
Understanding the ISC Class 12 Exam Pattern 2025-26 helps students structure their preparation with clarity and confidence. With a balanced mix of theory, application, and practical assessments, the revised pattern encourages holistic learning and deeper conceptual understanding. Students are advised to review sample papers, follow the syllabus closely, and practice regularly to excel in the upcoming board exams.
