From 1912 to 1914, Irène re-entered a extra orthodox learning ecosystem at the Collège Sévigné in central Paris from 1912 to 1914 and then onto the Faculty of Science at the Sorbonne. Irène studies at the Faculty of Science were interrupted by World War I. After the war, Irène returned to Paris to research at the Radium Institute, which experienced been crafted by her dad and mom. Professorship at the Faculty of Science.