CBSE Science Challenge 2026-27 - Registration Dates, Rules

CBSE Science Challenge 2026-27 Overview

The CBSE Science Challenge 2026-27 gives students an opportunity to learn and apply scientific concepts, improve their reasoning skills, and test their speed and accuracy under time constraints. The competition will be conducted at two stages. Students can go through an overview of the CBSE Science Challenge rules and dates in the following table:

CBSE Science Challenge 2026-27 Dates for Round 1 and Round 2

Students should keep track of the important dates of events associated with the CBSE Science Challenge to ensure they are aware of the deadlines. Go through the table below to know the important dates for CBSE Science Challenge Round 1 and Round 2:

CBSE Science Challenge Rules 2026-27

The CBSE Science Challenge follows a two-round selection process. Students should understand the examination format, time limit, and selection criteria before taking part.

Round 1: School-level assessment

Round 1 will be conducted by schools between November 2 and November 13, 2026. CBSE will provide the question paper and scoring criteria to registered schools through the Science Challenge portal.

• Students will have a maximum of 60 minutes to complete the assessment.

• The paper will contain multiple-choice questions (MCQs) preceded by a variety of questions.

• Students will be tested on both speed and accuracy.

Round 2: Selection and assessment

After Round 1, each eligible school has to nominate six students for Round 2. The selection must include two students each from Classes VIII, IX and X.

• Students who answer all questions accurately and obtain the maximum marks should be considered first.

• If multiple students obtain the same marks, those who finish in less time should receive preference.

• Schools must register the selected students during the Round 2 registration window.

• Only schools that complete Round 1 and register their selected students are eligible for Round 2.

• The second round will be conducted by CBSE as a computer-based assessment.

How to Register for CBSE Science Challenge 2026-27?

The CBSE Science Challenge registration process is handled by schools. Students cannot register independently under the procedure described in the official circular.

Steps to Register for Round 1

• Visit the official CBSE Science Challenge portal: cbseacadit.nic.in/sc/.

• The school must log in using its LOC credentials.

• Enter the number of students participating in Round 1.

Note: Complete registration between October 14, 2026, and October 30, 2026.

Steps to Register for Round 2

Round 2 registration takes place after the school-level assessment. Schools must evaluate student performance using the scoring key supplied by CBSE and select six students according to the prescribed criteria.

• The selected students must be registered on the official portal between November 17, 2026, and November 25, 2026.

• Schools should monitor official CBSE communications for the final date and detailed instructions for the computer-based challenge.

Sample Image of CBSE Science Challenge Registration Window:

CBSE Science Challenge 2026-27: Awards and Recognition

Beyond certificates, the challenge gives students an opportunity to test their knowledge, practise scientific reasoning and improve their ability to answer questions accurately within a limited time. Students preparing for the CBSE Science Challenge should focus on understanding concepts, interpreting information, and practising MCQs under timed conditions. The CBSE Science Challenge recognises students who demonstrate scientific understanding and perform well during the competition. Mentioned below are the details:

• Every student who participates in Round 2 will receive an online participation certificate from the CBSE Board.

• The best-performing students will receive appreciation certificates.