The École Nationale Supérieure (ENS) is a prestigious higher education institution in France, known for its rigorous academic programs and emphasis on research. It is part of the French Grandes Écoles system, which trains students in various fields, including science, humanities, and engineering. ENS has several campuses, with the most famous located in Paris. Founded in 1794, ENS has produced many notable alumni, including philosopher Jean-Paul Sartre and mathematician Henri Poincaré. The school aims to cultivate critical thinking and intellectual rigor, preparing students for careers in academia, research, and various professional sectors.