This longitudinal quantitative study compared literacy achievement of students from second through sixth grade based on two organizational systems: graded (traditional) and nongraded (multiage) classrooms. The California Standards Test (CST) scaled and proficiency scores for English-Language Arts (ELA) were used as the study's independent variable…

Investigates impact of a nongraded instructional organization on the reading/language development of 117 kindergarten through second graders--61 in 3 nongraded classrooms, 56 in 3 graded classrooms. Uses a pretest-posttest control group design. Indicates no significant differences between the groups on any measures. Suggests findings are important…

Before 1970, no mixed-age groups existed in Swedish nursery schools. By 1991, 43 percent of children enrolled in nursery school were in mixed-age groups of ages 1 to 6 years, and 37 percent were in groups of children ages 3 to 6 years. Mixed-age groups are assumed to have advantages, including positive influences on learning and social…