Frequently Asked Questions

Students from any educational institution in any region of Bangladesh who were born on or after January 1, 2011, are eligible to participate. 1. Primary – Grades 3 to 5. 2. Junior – Grades 6 to 8. 3. Secondary – Grades 9, 10, and 11 (born on or after January 1, 2011)

Yes, they can participate. However, according to the IJSO rules, they cannot be selected as one of the six members of the Bangladesh team.

From August 5, 2026.

https://online.bdjso.org/ (details are provided there).

Until August 20, 2026.

Yes, they can. For that reason, the usernames and passwords for different students will be different.

No fee is required for registration.

The national round will be held in the first half of September. The date has not yet been announced. Once the regional round concludes in August, the details will be posted in the announcements section of the website.

Three categories. 1. Primary – Grades 3 to 5. 2. Junior – Grades 6 to 8. 3. Secondary – Grades 9, 10, and 11 (students born after January 1, 2011) and SSC 2026 candidates.

Details can be found at the following link: https://bdjso.org/preparation/

Once the dates and venues for the regional rounds are finalized, the information will be posted in the announcements section of the website. The regional Olympiads will take place throughout the month of August. Those who have registered within the designated timeframe will be notified via mobile and email.

Refresh the page and try again using your 6-digit username and password.

It is the last option in the right-hand corner of the website https://online.bdjso.org/.

According to the IJSO rules, only those who will be 16 years of age or younger by December 31, 2025, are eligible to participate.

You might have entered an incorrect email address during registration, which is why the email was not sent. If you entered the correct email address, please check the inbox as well as the Social, Updates, Promotions, and Spam folders.

You need to register again before registration closes.

Please double-check to ensure there are no spaces before or after the 6-digit username and password.

Check if the password is saved automatically in your browser. If not, reset your password using the "Forgot Password" option that appears during login or by visiting this link: https://online.bdjso.org/forgot-password.

You need to reset your password by visiting this link: https://online.bdjso.org/forgot-password.

You need to register again. New registrations will not be possible after the deadline.

The username is the 6-digit number sent to your email during registration. This is your registration number.

Check if the password is saved automatically in your browser. If not, reset your password using the "Forgot Password" option that appears during login or by visiting this link: https://online.bdjso.org/forgot-password.

Please refresh the page and try again by entering your 6-digit username and password. Make sure there are no spaces before or after the password.

Visit https://online.bdjso.org/results and search by entering your name in the search bar. If your details appear, it means your registration was successful. The 6-digit username displayed there is the one you must use to log in.