 As was expected, Gilmour enrolled at Bryn Mawr College in the fall of 1891.Despite an early interest in Chemistry, she eventually chose to major in History and Political Science as her major fields.In her third year, following the example of many students preparing for the school's rigorous foreign language exams (which required students to translate on sight from Greek, Latin, French and German), Léonie decided to spend a year abroad studying at the Sorbonne in Paris.