title: Oncy-sur-École
text: # Oncy-sur-École
  
  Oncy-sur-École (French pronunciation: (listen)) is a commune in the Essonne department in Île-de-France in northern France.
  
  Inhabitants of Oncy-sur-École are known as Oncéens.
  
  Painter Simon Mathurin Lantara was a native of the commune.
  
  