<P> Instead of being taught in philosophy departments, philosophy of education is usually housed in departments or colleges of education, similar to how philosophy of law is generally taught in law schools . The multiple ways of conceiving education coupled with the multiple fields and approaches of philosophy make philosophy of education not only a very diverse field but also one that is not easily defined . Although there is overlap, philosophy of education should not be conflated with educational theory, which is not defined specifically by the application of philosophy to questions in education . Philosophy of education also should not be confused with philosophy education, the practice of teaching and learning the subject of philosophy . </P> <P> Philosophy of education can also be understood not as an academic discipline but as a normative educational theory that unifies pedagogy, curriculum, learning theory, and the purpose of education and is grounded in specific metaphysical, epistemological, and axiological assumptions . These theories are also called educational philosophies . For example, a teacher might be said to follow a perennialist educational philosophy or to follow a perennialist philosophy of education . </P> <P> Date: 424 / 423 BC--348 / 347 BC </P> <P> Plato's educational philosophy was grounded in a vision of an ideal Republic wherein the individual was best served by being subordinated to a just society due to a shift in emphasis that departed from his predecessors . The mind and body were to be considered separate entiies . In the dialogues of Phaedo, written in his "middle period" (360 B.C.E.) Plato expressed his distinctive views about the nature of knowledge, reality, and the soul: </P>

List the contributions of philosophy of education to educational policy