The Duke University Math Union (DUMU) is devoted to organizing and providing resources to students interested in mathematics. Throughout the year, we invite guest lecturers, organize social events, and host a high school contest in mathematics.
The student run website can be found here: https://sites.duke.edu/dumu/
More information about the high school contest in mathematics is here: https://sites.duke.edu/mathmeet/
Registration for the Math Meet is here: http://services.math.duke.edu/dumu/mathmeet/registration.html