The Copernican plan can help almost every U.S. high school decrease its average class size, increase its course offerings, substantially reduce teaching load, provide students with regularly scheduled seminars, establish a productive learning environment, and substantially increase learning mastery within present funding levels. Sidebars describe…

A central theme in the history of American education in the 20th century is the expansion of formal schooling for more children. This literature review surveys the research on the educational uses of time, with a focus on the quantity and quality of time that teachers and students spent in school and, to a lesser extent, students' out-of-school…