Code Breaking Success in the Maths Department

Code breaking is a valuable mathematical skill. At its core, code breaking involves the application of mathematical concepts such as probability, statistics, and combinatorics to decipher encrypted messages. Code breaking develops students’ ability to think critically and problem solve in unfamiliar situations. Indeed, engaging in code breaking encourages students to approach problems methodically, analyzing patterns and constructing logical arguments based on limited information.

Two weeks ago, Epsom students from all year groups participated in the FOBISIA code breaking competition. The students performed fantastically well and Epsom placed 10th out of 125 schools on Level 3. Even more impressively Epsom placed 2nd out of 125 schools on Level 4, which is the most challenging level. These results are a reflection of the enthusiasm and skill that our students have shown in solving these challenging puzzles. Students were chasing the ‘Diamond Distinction Award’ which was awarded to the student in each year group who was the first to complete the ‘Level 4: Test of Genius’ code. The winners were: Ella Kim (Year 7), Jiuchen Zhang (Year 9), Soi Men Chow and Kaede Tayasu (Year 10), and Jaimie Lau (Year 11). Ethan Woo (Year 12) and Aiden Chan (Year 13). A special mention must go to Ethan who was the 13th student out of 23,000 students to solve the Level 4 code!

Whilst cracking codes and solving puzzles is a fun and rewarding endeavour in its own right, it has many real-life applications. As more sectors rely on encrypted data for communication, understanding the methods of code-breaking is necessary for the protection of sensitive information and the prevention of cyber threats. The mathematical fundamentals of cracking codes are applied in Computer Science and having a workforce which has a deeper understanding of code breaking is essential for national security. 

Hopefully, this introduction to code breaking will ignite a passion in our students for a deeper understanding of algorithms and potentially a career in the exciting world of espionage! Government agencies as well as companies involved in finance, engineering and artificial intelligence are all looking to employ people who are able to think logically; and apply critical thinking and reasoning. The skills associated with code breaking genuinely improve students’ employability in the future. Below is the ‘Level 4, Test of Genius’; have a go yourself!

Ms Olivia Archibald

Head of Mathematics