At the Science Festival (Fête de la science), there are thousands of free events, all over France and the opportunity to discover all the sciences: biology, physics, chemistry, mathematics, but also human and social sciences.

For ENS de Lyon, the Science Festival takes place every year in the hall of the Charles Mérieux auditorium that is transformed into a science village with conferences, workshops, exchanges, exhibitions etc, open to school children and the general public for 3 and a half days.