CBSE Science Challenge 2026–27: Round 1 Runs 2–13 November

Deadline: 13 Nov 2026

Check the official notice for changes before taking action.

Round 1 of the CBSE Science Challenge is scheduled for 2–13 November 2026. This is the current activity stage under CBSE's previously issued 13 October circular; school registration ended on 30 October.

What participating students should know

Eligible classes: registered students of Classes 8–10 in participating CBSE-affiliated schools.
School round: 2–13 November, on the date arranged by your school.
CBSE's schedule says the MCQ paper and scoring criteria are provided to registered schools through the portal from 2 November.
Time allowed: up to 60 minutes. Both accuracy and completion time matter.
There is no participation fee for either round.

What happens after Round 1?

Each participating school can nominate six students: two each from Classes 8, 9 and 10.
Round 2 registration: 17–25 November 2026, through the school.
The computer-based second round is tentatively scheduled between 30 November and 4 December; schools should follow CBSE's subsequent instructions.