Order		Cross- jurisdiction significant difference	Number of Jurisdictions Significantly			Black average scale score
			higher	not different	lower	2009
			higher	not different	lower
1 Austin	Austin	>	0	1	15	138
2 Houston	Houston	x	1	5	10	128
3 Jefferson County (KY)	Jefferson County (KY)	x	1	4	11	128
4 Charlotte	Charlotte	x	1	6	9	126
5 San Diego	San Diego	x	0	16	0	125
National public	National public		1	7	10	125
6 Miami-Dade	Miami-Dade	x	1	8	7	123
7 Atlanta	Atlanta	x	2	7	7	123
Large city	Large city	<	5	7	6	120
8 Boston	Boston	<	4	9	3	120
9 New York City	New York City	<	4	10	2	119
10 Fresno	Fresno	x	3	13	0	117
11 Cleveland	Cleveland	<	6	10	0	117
12 Milwaukee	Milwaukee	<	6	10	0	115
13 Los Angeles	Los Angeles	<	6	10	0	113
14 Detroit	Detroit	<	6	10	0	113
15 Philadelphia	Philadelphia	<	7	9	0	112
16 Chicago	Chicago	<	8	8	0	110
17 Baltimore City	Baltimore City	<	8	8	0	110
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.