Amargosa Valley School in Nevada could be considered representative of almost any preK-8 school that serves a large proportion of socioeconomically disadvantaged students and is focused on turning around persistently low achievement. Like other schools supported by federal School Improvement Grants, Amargosa is beginning to implement a reform plan…

This groundbreaking study is the first ever to examine the achievement of high-performing students over time "at the individual level". It poses--and seeks to answer--this straightforward question: Do students who outscore their peers on standardized achievement tests remain at the top of the pack year after year? Put differently, how many "high…