The purpose of the study was to investigate how grading in primary school affected students' achievement measured by grades in 7th, 8th and 9th Grade and educational attainment in upper secondary school (12th Grade), and how the effect varied as a function of students' cognitive ability, gender and socio-economic status. The data derived from the…

This paper summarizes the research conducted for a doctoral thesis at the University of North Carolina at Chapel Hill in February 1969. It gauges the effect of the complete desegregation of Chapel Hill schools on its fifth, seventh, and ninth grade students. The achievement scores of those students who attended segregated schools during 1965-66…