Regardless of initial differences in test score levels, all schools appear to help their students make similar improvements in reading and math over two years. (gse.harvard.edu)
But these raw differences narrow substantially when differences in test scores are accounted for. (educationnext.org)
Attempting to show that even a well - managed school district can't close achievement gaps in student learning, McRae showed Fraisse data from the state Department of Education showing significant differences in test scores between African - American and Latino students and white students in some of the administrator's former school districts. (laschoolreport.com)