This document summarizes the major philosophical perspectives in education. It discusses idealism, realism, naturalism, pragmatism, progressivism, existentialism, essentialism, perennialism, social reconstructionism, and critical theory. It provides an overview of each perspective, including a discussion of Plato's idealism and the influence of the Sophists. The purpose is to help readers classify, analyze, and apply these perspectives to examine their own philosophies of leadership and teaching.