Order		Cross- jurisdiction significant difference	Number of Jurisdictions Significantly			Black percent at or above Basic
			higher	not different	lower	2009
			higher	not different	lower
1 Austin	Austin	>	0	3	13	47
2 Houston	Houston	x	0	6	10	38
3 Jefferson County (KY)	Jefferson County (KY)	x	0	8	8	35
4 Charlotte	Charlotte	x	1	6	9	34
National public	National public		1	6	11	32
5 Miami-Dade	Miami-Dade	x	1	9	6	30
6 San Diego	San Diego	x	0	16	0	30
7 Atlanta	Atlanta	<	2	9	5	28
8 Fresno	Fresno	x	1	15	0	28
Large city	Large city	<	4	9	5	27
9 Boston	Boston	<	3	10	3	26
10 New York City	New York City	<	4	12	0	24
11 Cleveland	Cleveland	<	6	10	0	20
12 Los Angeles	Los Angeles	<	4	12	0	20
13 Detroit	Detroit	<	5	11	0	19
14 Milwaukee	Milwaukee	<	6	10	0	19
15 Baltimore City	Baltimore City	<	7	9	0	17
16 Chicago	Chicago	<	7	9	0	17
17 Philadelphia	Philadelphia	<	7	9	0	17
NOTE: Black includes African American, Hispanic includes Latino, and Pacific Islander includes Native Hawaiian. Race categories exclude Hispanic origin. Prior to 2011, students in the “two or more races” category were categorized as “unclassified”. National public and Large city are not included in sorting the jurisdictions. Score differences are calculated based on differences between unrounded scores.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 Science Assessment.