Students' maturational levels, rather than grades or chronological age, should determine enrollment in the middle school. Diversity in maturation rates creates diversity in interests and attitudes. These differences necessitate the development of programs for the middle school which differ from the elementary and high school approaches. Two…

This document is Part I of a two-part project whose goal was to identify the sequential development of child behavior from birth through age seven and to identify the materials which could be used to strengthen or initiate a behavioral facet. Research on child development was collected, organized, and analyzed for correlative events pertinent to…