This document discusses different schools of philosophy. It defines schools of philosophy as philosophical movements where an idea gains popularity and many philosophers share broad, though not entirely uniform, views. Some influential ancient Greek schools like idealism, realism, pragmatism, and existentialism are still studied today in Western civilization. The document provides brief overviews of different philosophical stances like absurdism, anarchy, communitarianism, creationism, determinism, empiricism, liberalism, nihilism, stoicism, and theism to illustrate the variety of perspectives schools of philosophy represent in understanding the world.