As long as progress is being made in any field, and new strategies, knowledge, and insights are being developed, there must always be a gap between the theoretical or knowledge base and practices. However, the gap between what is known about how best to support the growth, development, and learning of young children and the nature of actual…

This paper outlines 22 principles of practice that serve as criteria by which to judge the developmental appropriateness of an early childhood curriculum. The principles lead to the assertion that young children as learners are greatly supported when a "project approach" is used--e.g., when their early childhood education experience…

This paper traces the development of graded and non-graded classrooms in the United States in the 19th and 20th centuries and describes the implementation of multiage classrooms at an elementary school in Hopedale, Massachusetts. After defining what is meant by multiage classrooms, the paper discusses the role of Horace Mann, who was then a…