The Collège Stanislas de Paris (French pronunciation: [lə kɔlɛʒ stanislas də paʁi]), colloquially known as Stan, is a highly selective private Catholic school in Paris, situated on "Rue Notre-Dame-des-Champs" in the 6th arrondissement. It has more than 3,000 students, from preschool to classes préparatoires (classes to prepare students for entrance to the elite grandes écoles such as École Polytechnique, CentraleSupélec, ESSEC Business School, ESCP Business School and HEC Paris), and is the largest private school in France.[citation needed] Stanislas is considered one of the most prestigious and elite French schools. The school was ranked 1st in 2019 for high school.