CBSE Science Challenge 2026–27: Classes 9–10 Can Join Through School

Deadline: 30 Oct 2026

Check the official notice for changes before taking action.

CBSE’s Science Challenge 2026–27 is open to Classes 8, 9 and 10 in affiliated schools. Circular Acad-67/2026 is dated 13 October, and school registration runs 14–30 October 2026.

Key dates

Round 1 registration: schools register by 30 October.
School-level Round 1: 2–13 November.
Round 2 nominations: 17–25 November.
Computer-based Round 2: tentatively 30 November–4 December; await CBSE’s final instructions.

How to take part

Ask your science teacher whether your school is participating.
Schools register through the official portal using their LOC credentials; students do not register individually.
Both rounds are free. Practise scientific reasoning, reading graphs and solving unfamiliar problems.

Checked on 17 October 2026.