Over the last 20 years, many districts and schools have begun to explore year-round education or a modified calendar in response to student under-achievement in low performing schools. Here, the authors detail their two-year study of Title I, year-round, or modified calendar schools that switched from a traditional to a modified schedule in order…

The "comprehensive" high schools that now educate almost all young people in Colorado and elsewhere in the United States were designed in a different era for a different economy. American comprehensive high schools were intended to provide a basic education in reading, writing, and arithmetic, preparing most students for work and some…