The debate about the role of education in the 21st century goes far beyond the simple transmission of facts. While technological tools have expanded access to knowledge, they have also highlighted inequalities: not every student has the same resources or the same capacity for autonomous learning. Moreover, the teacher’s role has shifted from being the sole source of information to becoming a mediator, guiding students in the development of critical thinking and adaptability. Thus, the core issue today is not whether information is available, but whether individuals are being prepared to use it wisely and ethically.

According to the text, what is presented as the central challenge of education in the 21st century?