The mixed methods study examined the impact of "Leader in Me" effects on math achievement in Grades 4 and 5. The problem this study addressed is underachieving mathematical achievement in a suburban school district when compared to the state assessment. "'Leader in Me' helps students learn how to become self-reliant, take…

In this study, we applied the technique of piecewise linear regression to a total of 144 schools with the third to fifth grades, aimed to search for a turning point at each grade level in terms of the effects of school renewal on school reading and mathematics achievement. We did find a turning point for each school subject at each grade level,…