Bear Creek’s Ji receives bronze medal at International Mathematical Olympiad in Cape Town. Caleb Ji participated in his first math competition when he was in fourth grade.

As my previous coverage noted, elite math competitions, including the IMO, tend to be dominated by white and Asian males. (You’ll note that the U.S. team had no girls this year or last. In fact ...

A math contest unlike any other. The IMO, held annually since 1959, pits elite pre-college mathematicians against exceptionally difficult problems in algebra, combinatorics, geometry, and number ...