[1] After completing her secondary education in Paris, Colmez moved to the United Kingdom and attended Gonville and Caius College of the University of Cambridge under a Cambridge European Trust scholarship, completing a first-class Bachelor of Arts in Mathematics and winning the Ryan Prize in Higher Mathematics.

[5] She is now a co-director of unifrog, an organization that helps students discover future career pathways, apprenticeships and university courses, and teachers track their progress.

[6] With her mother, mathematician Leila Schneps, Colmez co-authored Math on Trial: How Numbers Get Used and Abused in the Courtroom.

In 2022 Coralie published The Irrational Diary of Clara Valentine,[8] a YA novel which includes high level mathematical concepts with the aim to introduce them to younger readers.

Since the publication of Math on Trial, Colmez has been an invited speaker at scientific education events in the UK.