The building where the College is nowadays was built between 1910 & 1938, it has 3 floors and a basement. This institution had been educated a thousands of students who access quality free public education through a series of exams; it is a pre-university school so the students participate in political life and in its ranks we find nobles prizes, presidents, great personalities of culture, education and health. The building is fully operational, to make the guided tour you must pay a very accessible ticket and book a shift through the website. The charm of its rooms, the mystique of its halls, the beautiful Aula Magna and the magnificent library make this teaching faculty an emblem of knowledge. In the 1950s it was declared a Historical Monument, it is located in the Apple of Lights: a bit of history, tradition and knowledge.

Right next to the oldest church in Buenos Aires, Iglesia San Ignacio de Loyola, is Colegio Nacional de Buenos Aires - the first educational institution founded in 1622