Note that the report uses percentile rankings for students below grade level in order to identify what type of instruction or intervention each student needs. (fastbridge.org)
You might notice that there are two columns for the national percentile ranks. (fastbridge.org)
Across all three cities, the average effect of switching from a public to a private school for black students was 6.3 percentile ranks in both math and reading. (educationnext.org)