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CBSE Compartment Exam 2026: Dates, Eligibility & Essential Rules

R
Virat
Updated: Jun 19, 2026
5 MIN READ
CBSE Compartment exams, also referred to as supplementary exams, provide a vital second opportunity for Class 10 and 12 students to clear subjects and improve their overall board examination performance. Eligible candidates may reappear for up to three subjects to boost their academic scores.

Failing a subject in the CBSE Class 10 or 12 board exams can be a source of significant anxiety for both students and parents. However, the Central Board of Secondary Education offers a structured path to recovery through compartment exams. Rather than losing an entire academic year, students can utilize this opportunity to pass their failed subjects and finalize their results within the same academic cycle. These exams are typically scheduled shortly after the main board results are released. Read on for a comprehensive guide to navigating the 2026 compartment exam process.

Compartment Rules for Class 10 CBSE Board

The CBSE Class 10 compartment exam is intended for students who did not pass one or two subjects in the main examination. The board typically provides up to three attempts to clear these papers. Should a student fail to clear the subject within these attempts, they are required to reappear for all subjects during the following main board examination. The syllabus remains identical to the primary exam, and generally, students only need to sit for the theory paper. If, however, a student failed a practical or internal assessment component, they must retake both the theory and practical examinations.

Class 10 CBSE Compartment Date Sheet

The following table provides the tentative schedule for the CBSE Class 10 compartment examinations. Please verify the date and timing for your specific subjects below.

Class 10 CBSE Compartment Exam Date Sheet

Friday, May 15, 2026

10:30 AM – 01:30 PM

Mathematics Standard / Mathematics Basic

Saturday, May 16, 2026

10:30 AM – 01:30 PM

Compartment Subjects

Monday, May 18, 2026

10:30 AM – 01:30 PM

Compartment Subjects

Tuesday, May 19, 2026

10:30 AM – 01:30 PM

Science

Wednesday, May 20, 2026

10:30 AM – 01:30 PM

Compartment Subjects

Thursday, May 21, 2026

10:30 AM – 01:30 PM

Compartment Subjects

Friday, May 22, 2026

10:30 AM – 01:30 PM

Social Science

Saturday, May 23, 2026

10:30 AM – 01:30 PM

Compartment Subjects

Monday, May 25, 2026

10:30 AM – 01:30 PM

Compartment Subjects

Tuesday, May 26, 2026

10:30 AM – 01:30 PM

Language

Thursday, May 28, 2026

10:30 AM – 01:30 PM

Compartment Subjects

Friday, May 29, 2026

10:30 AM – 01:30 PM

Compartment Subjects

Saturday, May 30, 2026

10:30 AM – 01:30 PM

Language

Monday, June 1, 2026

10:30 AM – 01:30 PM

Compartment Subjects

 

Eligibility Criteria for CBSE Class 10 Compartment Exam

Eligibility for the Class 10 CBSE compartment exam is strictly defined. Students are eligible only if they have appeared in the main Class 10 board examination and were declared unsuccessful in only one subject. Candidates failing in more than one subject are ineligible. Furthermore, students must submit the required compartment application form before the specified deadline to qualify.

Compartment Rules for CBSE Class 12 Exam

Students failing in one subject in the Class 12 board exams are eligible to appear for the compartment examination, regardless of their stream (Science, Commerce, or Arts). The exam adheres to the same syllabus and marking criteria as the main board exams, and successfully cleared subjects will reflect updated grades on the final mark sheet.

Class 12 CBSE Compartment Date Sheet

The following table provides the expected schedule for the CBSE Class 12 compartment examination. Please note the key timeline details below.

Class 12 CBSE Compartment Date Sheet Overview

Category

Details

Main Exam Period

February 17, 2026, to July 15, 2026

Supplementary Exam

Conducted within the 2026 board cycle

Evaluation Start

Approximately 10 days post-exam

Evaluation Duration

Typically completed within 12 days

Eligibility Criteria for CBSE Class 12 Compartment Exam

Candidates are eligible for the Class 12 compartment exam only if they appeared for the main board examination and failed in exactly one subject. Students failing two or more subjects are classified as 'Essential Repeat' and must reappear for all subjects in the subsequent annual board examination.

Instructions for CBSE Class 10 & 12 Compartment Exam

Students must adhere to the following examination day guidelines without exception:

  • Carry a valid compartment board exam admit card and school identity card.

  • Arrive at your designated examination center at least 30 minutes prior to the scheduled start time.

  • Strictly comply with all CBSE regulations regarding prohibited items and examination conduct.

  • Use only blue or black pens for writing your answers.

  • Follow all specific instructions mentioned on your admit card.

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