 In the early 12th century, schools teaching these basic subjects were spread around the city, while the School of Notre Dame concentrated on higher education; grammar, rhetoric, dialectics, arithmetic, geometry, astrology, and music.The School of Notre Dame became famous throughout Europe; it produced seven popes and twenty-nine cardinals; the future Louis VII studied there, as did the nephews of Pope Alexander III.The teachers included Pierre Abelard, Maurice de Sully, Pierre Lombard, Saint Dominic and Saint Bonaventure.