Order		Cross- jurisdiction significant difference	Number of Jurisdictions Significantly			White average scale score	Black average scale score	White - Black Gap average scale score
			higher	not different	lower	2009
			higher	not different	lower
1 Atlanta	Atlanta	>	0	2	13	181	126	56
2 Austin	Austin	>	0	3	12	183	129	54
3 Houston	Houston	x	0	9	6	174	128	46
4 San Diego	San Diego	x	1	9	5	169	124	45
5 Miami-Dade	Miami-Dade	x	2	7	6	169	125	44
6 Charlotte	Charlotte	x	2	7	6	174	131	43
7 Milwaukee	Milwaukee	x	2	9	4	158	115	42
8 Chicago	Chicago	x	2	10	3	154	113	41
Large city	Large city		2	10	5	163	122	40
National public	National public	<	7	8	2	162	127	35
9 Los Angeles	Los Angeles	x	2	13	0	152	117	35
10 Jefferson County (KY)	Jefferson County (KY)	x	6	9	0	163	129	34
11 New York City	New York City	x	5	10	0	159	125	34
12 Fresno	Fresno	x	2	13	0	144	110	34
13 Baltimore City	Baltimore City	<	7	8	0	143	115	29
14 Boston	Boston	<	8	7	0	161	133	28
15 Cleveland	Cleveland	<	8	7	0	136	109	27
16 Philadelphia	Philadelphia	<	8	7	0	141	115	26
N/A Detroit	Detroit	‡	‡	‡	‡	‡	109	‡
‡ Reporting standards not met.
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.