CBSE Board Exams 2027: Detailed Weightage for Theory and Practical Assessments

The Central Board of Secondary Education (CBSE) has released crucial updates regarding the 2027 Class 10 and 12 board examinations. This includes detailed subject-wise weightage for theory and practical assessments. Students can now access information on the marks allocated for various subjects, including Mathematics, Science, English, and vocational courses. The circular outlines the total marks for each subject and the duration of the exams, providing clarity for students preparing for these important assessments. Stay informed about the latest updates to excel in your board exams.

By Ambika Singh Nov 10, 2026, 13:22 IST

Overview of CBSE 10th-12th Board Exams 2027

Important Update for Students: The Central Board of Secondary Education (CBSE) has announced significant information for students preparing for the 2027 Class 10 and 12 board examinations. The board has published the subject-wise distribution of marks for theory and internal assessments. This includes a breakdown of marks assigned to theory components compared to practical and internal assessments for each subject in the upcoming exams. A recent circular from the CBSE outlines these details.

Marks Distribution for Class 10 Board Exams

Mathematics (Basic and Standard): Both Mathematics (Basic) and Mathematics (Standard) will have a theory exam worth 80 marks and an internal assessment of 20 marks, totaling 100 marks.

Science and Social Science: Each of these subjects will also consist of a theory exam worth 80 marks and an internal assessment of 20 marks, making a total of 100 marks.

English: The English subject will follow the same structure, with 80 marks for theory and 20 for internal assessment, totaling 100 marks.

Home Science: This subject will have a theory exam worth 70 marks and a practical exam worth 30 marks, totaling 100 marks.

Elements of Business: For this subject, the theory exam will be 70 marks, while project work will account for 30 marks, totaling 100 marks.

Computer Applications: The theory exam will be worth 50 marks, with an equal 50 marks for practical assessments, totaling 100 marks.

Vocational Subjects: Subjects like Retail, Information Technology, Automotive, Agriculture, and Beauty & Wellness will have a 50-mark allocation for both theory and practical exams, totaling 100 marks.

Carnatic and Hindustani Music: These subjects will have a weightage of 30 marks for theory, 50 for practical, and 20 for internal assessment.

Painting: Similar to music, Painting will also have a weightage of 30 marks for theory, 50 for practical, and 20 for internal assessment.

Exam Duration: Most theory papers in Class 10 will last three hours, while skill-based and music-related papers will be two hours long.

Marks Distribution for Class 12 Board Exams

Physics, Chemistry, Biology, and Biotechnology: These subjects will have a theory exam worth 70 marks and a practical component worth 30 marks, totaling 100 marks.

Psychology, Physical Education, Home Science, Computer Science, and Geography: These subjects will follow a similar structure with 70 marks for theory and 30 for practical/internal assessments.

Commerce Stream Subjects: Subjects like History, Political Science, Economics, Sociology, Business Studies, and Accountancy will have 80 marks for theory and 20 for projects.

Fine Arts: In Fine Arts subjects such as Painting, Graphics, and Sculpture, 30 marks will be for theory and 70 for practical exams.

Vocational Subjects: Subjects like Retail, IT, Automotive, and Healthcare will have 60 marks for theory and 40 for practical assessments.

Multimedia: This vocational subject will allocate 50 marks for both theory and practical components.

External Examiners: The CBSE has announced that external examiners will oversee practical examinations for Class 12 subjects like Physics, Chemistry, Biology, and Geography. Practical answer booklets will be provided for these exams. Most Class 12 theory papers will last three hours, while Music, Dance, and Fine Arts exams will be two hours long.