Order		Cross- jurisdiction significant difference	Number of Jurisdictions Significantly			White percent at or above Basic	Black percent at or above Basic	White - Black Gap percent at or above Basic
			higher	not different	lower	2009
			higher	not different	lower
1 Chicago	Chicago	x	0	11	2	67	17	50
2 Charlotte	Charlotte	x	0	11	2	83	34	49
3 Boston	Boston	x	0	11	2	74	26	49
4 Houston	Houston	x	0	12	1	86	38	47
Large city	Large city		0	13	2	73	27	46
National public	National public	x	0	13	2	77	32	45
5 San Diego	San Diego	x	0	13	0	74	30	44
6 Los Angeles	Los Angeles	x	0	13	0	64	20	44
7 Austin	Austin	x	0	13	0	90	47	43
8 Miami-Dade	Miami-Dade	x	0	13	0	73	30	43
9 New York City	New York City	x	0	13	0	63	24	38
10 Fresno	Fresno	x	0	13	0	66	28	38
11 Jefferson County (KY)	Jefferson County (KY)	<	3	10	0	71	35	36
12 Cleveland	Cleveland	x	0	13	0	56	20	36
13 Milwaukee	Milwaukee	x	0	13	0	53	19	34
14 Philadelphia	Philadelphia	<	4	9	0	49	17	32
N/A Detroit	Detroit	‡	‡	‡	‡	‡	19	‡
N/A Baltimore City	Baltimore City	‡	‡	‡	‡	‡	17	‡
N/A Atlanta	Atlanta	‡	‡	‡	‡	‡	28	‡
‡ 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.