Studies of the effects of class size on children\u27s learning have been conducted throughout the twentieth century involving nearly a million students. This article summarizes the professional literature on the effects of class size on primary grade children\u27s learning and how it corresponds to the NAEYC\u27s developmentally appropriate guidelines. Then, class size reduction policies such as hiring an additional teacher, implementing tutoring programs, or grouping students differently throughout the day to reduce class size during reading and math classes are presented. This article was written to help those who are involved in early childhood programs understand the many benefits that children gain from being in small classes during their primary school years
