He addresses how secularism affects the identity and mission of Catholic universities, particularly through the experience and diversity of Jesuit universities in different parts of the world. It proposes analyzing secularism not as a single phenomenon, but by considering its multiple forms across various cultural and geographical contexts and how these influence Catholic education and campus life. Secularism can be understood as social movements that limit the role of religion in both individual and collective spheres. Secularism is approached through three cultural phases: acculturation, inculturation, and deculturation. The impact of secularism varies by region and context, a reality experienced by Jesuit universities across all five continents.