Paris Sciences et Lettres University is a public research university and Grand établissement based in Paris, France. It was established in 2010 and formally created as a university in 2019. It is a collegiate university with 11 constituent schools, with the oldest founded in 1530. PSL is located in central Paris, with its main sites in the Latin Quarter, at the …Paris Sciences et Lettres University is a public research university and Grand établissement based in Paris, France. It was established in 2010 and formally created as a university in 2019. It is a collegiate university with 11 constituent schools, with the oldest founded in 1530. PSL is located in central Paris, with its main sites in the Latin Quarter, at the Montagne Sainte-Geneviève Campus, at the Jourdan Campus, at Dauphine Campus, at Condorcet Campus, and at Carré Richelieu.