Order		Cross- jurisdiction significant difference	Number of Jurisdictions Significantly			Not eligible percent at or above Basic	Eligible percent at or above Basic	Not eligible - Eligible Gap percent at or above Basic
			higher	not different	lower	2009
			higher	not different	lower
1 Austin	Austin	>	0	4	11	86	41	46
2 Fresno	Fresno	>	0	6	9	69	28	41
3 Atlanta	Atlanta	x	0	10	5	63	25	38
4 Jefferson County (KY)	Jefferson County (KY)	x	1	9	5	77	40	36
5 Charlotte	Charlotte	x	1	11	3	69	34	35
6 San Diego	San Diego	x	0	13	2	68	33	35
National public	National public	x	2	12	3	76	43	33
7 Philadelphia	Philadelphia	x	0	15	0	52	20	32
Large city	Large city		2	12	3	65	34	31
8 Boston	Boston	x	2	13	0	59	31	28
9 Chicago	Chicago	x	2	13	0	53	25	28
10 Los Angeles	Los Angeles	x	2	13	0	56	28	28
11 Milwaukee	Milwaukee	x	2	13	0	50	22	27
12 Houston	Houston	x	4	11	0	70	44	26
13 Miami-Dade	Miami-Dade	<	5	10	0	63	40	23
14 New York City	New York City	x	4	11	0	56	33	22
15 Baltimore City	Baltimore City	<	6	9	0	35	17	18
16 Detroit	Detroit	<	6	9	0	31	16	15
N/A Cleveland	Cleveland	‡	‡	‡	‡	‡	26	‡
‡ Reporting standards not met.
NOTE: 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.