Past Olympiads About Teacher Portal Results Contact
Past Olympiads About Teacher Portal Results Contact

The annual competition in
Mathematics and Computer Science
for school pupils in the UK.

Participate
View Results

Latest News

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Final Round

3rd FEB
2025
The final round will take place on Wednesday 5th March.

Please check your emails for further information, including material logistics and specific timings.

Good luck to all the finalists!

Round One Results

8th JAN
2025
Results for round one of BAO 2024 are now available on the teacher portal.

Congratulations to all the students that took part. Any finalists are labelled clearly on the results page.

Please contact us if you would like a complete breakdown of your students' marks.

Round One Ends

6th DEC
2024
Round one of BAO 2024 has now ended. Thank you to all the schools and students that have participated. Submission will remain open until 6PM on Wednesday 11th December.

Results will be released on the 8th January 2025 at 7AM via the teacher portal.

Portal & Registration

15th OCT
2024
We have just launched the new teacher portal for you to register students, upload marks, and more.

Registration for the 2024 BAO opens on Wednesday 16th October.

Involvement Form

24th SEP
2024
We're looking for volunteers to help with the BAO, whether that be with communication or question setting.

If you're interested in helping out, please fill out the form here.

BAO 2024

1st SEP
2024
The BAO is returning for 2024! Registration will open in mid-October and the competition will take place from mid-November until the end of the first week of December.

Returning schools will need to register again as we are not using the data from the 2023 BAO.

Results 2023

29th JAN
2024
Results for the 2023 BAO Round 1 are now available here. You will need your teacher code to log in.

Further results details such as the report or top scores will be available later in the week.

Thanks for participating in BAO 2023.

Results Dates

1st JAN
2024
Full results including certificates and finals invitations will be released on the 29th January 2024. Please look out for emails from BAO asking for proof of work for some higher-scoring students.

The exam paper and mark scheme for round one will be released soon.

Round 1 Closes

22nd DEC
2023
Round 1 has now closed. Thanks and well done to all that took part this year.

All round one results will be announced in January. This will include your students' final scores, certificates achieved and finals invitations.

Submission Open

25th NOV
2023
You can now register your students' marks on our Submission page.

This will be open until the 15th December, a week after the end of the competition window.

Registration Opens

23rd OCT
2023
Registration has now opened for the 2023 BAO.

This will be open until round one of the competition closes on the 8th December. Round one of the competition will begin on the 13th November.

BAO 2023

29th SEP
2023
Registration for the 2023 BAO will open in October. The competition will take place from mid-November until the end of the first week of December.

Returning schools will need to register again as we are not using the data from the 2022 BAO.

Final Round

3rd FEB 2025

Round One Results

8th JAN 2025

Round One Ends

6th DEC 2024

Portal & Registration

15th OCT 2024

Involvement Form

24th SEP 2024

BAO 2024

1st SEP 2024

Results 2023

29th JAN 2024

Results Dates

1st JAN 2024

Round 1 Closes

22nd DEC 2023

Submission Open

25th NOV 2023

Registration Opens

23rd OCT 2023

BAO 2023

29th SEP 2023