[5][6] As Sciences Po's graduate school for international affairs, PSIA was in 2024 jointly ranked second best programme globally for politics, along with the University of Oxford.

These reforms were effectively seen by the international media as a bold move away from the traditional grandes écoles French system.

[11] PSIA's original precursor is the section internationale (international section) created as early as 1872 by the Ecole libre des sciences politiques (Free school of political sciences) and which welcomed more than 30% of foreign students.

[12] On 20 April 2015 it was announced that Enrico Letta, former Prime Minister of Italy, would succeed Ghassan Salamé as Dean starting in September 2015.

[13] On 18 February 2022 it was announced that Arancha Gonzalez, former Minister of Foreign Affairs of Spain, would become Dean of PSIA starting 1 March 2022.