About Chesterton Academy of St. Margaret Clitherow. Chesterton Academy of St. Margaret Clitherow is a Classical high school in the Catholic tradition located in the greater Knoxville area. Our school offers an integrated, college preparatory curriculum centered on the Incarnation of Jesus Christ. Focusing on the classics, the school develops complete thinkers who learn to draw on faith and reason for the purpose of building a culture of life. Rol...