What historical event is commemorated through the tiles in the Alumnae Courtyard?

The correct answer highlights the significance of the tiles in the Alumnae Courtyard as a representation of the evolution and growth of Xavier education. These tiles serve as a visual history, celebrating the continuous development and impact of the educational institution over time. They reflect not just a singular event, but a broader narrative of progress, achievements, and milestones associated with the institution’s mission and vision.

The focus on the evolution and growth points to a rich legacy that encompasses various facets of the Xavier experience, including advancements in teaching methods, curriculum changes, and the community's influence in shaping students' lives. This context is core to why the tiles were chosen to commemorate this ongoing journey, illustrating the institution's commitment to providing quality education that adapts and flourishes over the years.