In the philosophical and theoretical context of progressive education and child-centered pedagogy, considering John Dewey's statement that 'Education is not a preparation for life, but life itself is the process of living', when deeply analyzed regarding the social structure and curriculum of a school, which of the following hypotheses best elucidates the most fundamental and scientific characteristic of an ideal progressive school?

Detailed Explanation

Progressive education is based on the premise that a school is not an artificial institution, but rather a microcosm of society. According to John Dewey's philosophy, learning is experiential, and schools must reflect real-world social processes rather than merely preparing students for some distant future.

• Option A (Correct): Aligns directly with Dewey's view that schools should function as democratic communities where learners actively construct knowledge through social participation and real-world problem-solving.
• Option B, C, and D: Represent traditional, teacher-centric, and behaviorist models of education which contradict the core tenets of progressive and child-centered education.

Conclusion: Option A is the fundamental and scientific feature of a progressive school.