CBSE Science Challenge 2026-27 registration begins; check direct link and selection rules for Classes 8 to 10

CBSE Science Challenge 2026-27: The Central Board of Secondary Education (CBSE) has announced the Science Challenge 2026-27 for students in Classes VIII, IX and X at affiliated schools. The initiative aims to encourage scientific curiosity, critical thinking, inquiry and problem-solving through a two-stage competition comprising an intra-school round and an inter-school round.According to the notification issued to heads of affiliated schools, participation in both rounds is free. Schools must register eligible students for Round 1 and select six participants, comprising the two best-performing students from each of Classes VIII, IX and X, for Round 2. The first-round activity will take place in November, while registration for the second stage is scheduled later in the month.CBSE Science Challenge 2026-27: Important datesThe board has specified the first-round examination window and the registration period for the second stage. The notification provided does not specify a separate opening date for Round 1 registration.EventImportant datesSchool registration for Round 1October 14–30, 2026Round 1: School-level challengeNovember 2–13, 2026Round 2 registrationNovember 17–25, 2026Round 2: Computer-based challengeNovember 30–December 4, 2026 (tentative)Schools should follow the official CBSE instructions for student registration and nomination. Updates can be checked on the CBSE academic website.Round 1 assessment and selection criteriaSchools will conduct Round 1 in classrooms using the question paper supplied by CBSE. Adequate invigilation must be arranged to ensure fair conduct. Students will receive a maximum of 60 minutes to complete the task, which will include different prompts followed by multiple-choice questions (MCQs).The assessment will consider both accuracy and speed. Invigilators must record the starting time, ensure that all students begin together and note participants who finish early. Teachers will evaluate responses using the scoring key supplied by the board.Students answering the maximum number of questions accurately will receive priority during selection. If candidates secure equal marks, the student completing the task in less time will be preferred.Round 2 registration and certificatesEach school registered for Round 1 can nominate six students, with two participants from each eligible class. Registration for Round 2 will remain open from November 17 to November 25, 2026, through the specified portal: Round 2 participants will receive online participation certificates from CBSE, while appreciation certificates will be awarded to the best-performing students.Schools can seek clarification by emailing cbsesciencechallenge@cbseshiksha.in or calling 011-43354916. The board has asked affiliated schools to encourage eligible students to participate in the challenge.Get the latest Education News and Live updates. Download the TOI app.