This document discusses how the design of preschool environments can impact childhood development. It examines factors like whether preschools should be located inside or outside of K-12 schools, the appropriate length of preschool programs, teacher qualifications, student-teacher ratios, noise levels, lighting, and characteristics that promote physical, intellectual, and emotional growth. Overall, the document emphasizes that preschool design should create an engaging, developmentally-appropriate setting that encourages learning, physical activity, and the well-being of students.