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 Atlanta	Atlanta	>	0	5	10	86	40	45
2 Austin	Austin	>	0	6	9	92	50	43
3 Fresno	Fresno	x	0	10	5	76	34	42
4 Chicago	Chicago	>	0	10	5	79	38	40
5 San Diego	San Diego	>	0	10	5	89	49	40
6 Jefferson County (KY)	Jefferson County (KY)	x	2	10	3	91	57	34
7 Charlotte	Charlotte	x	1	12	2	87	52	34
8 Milwaukee	Milwaukee	x	0	14	1	71	37	33
Large city	Large city		4	11	2	78	47	32
9 Houston	Houston	x	2	13	0	81	50	30
National public	National public	x	4	11	2	86	56	30
10 Los Angeles	Los Angeles	x	2	13	0	69	40	28
11 Baltimore City	Baltimore City	x	2	13	0	54	27	27
12 New York City	New York City	x	5	10	0	80	53	27
13 Miami-Dade	Miami-Dade	x	6	9	0	84	58	26
14 Boston	Boston	<	7	8	0	79	57	22
15 Philadelphia	Philadelphia	x	5	10	0	56	35	21
16 Detroit	Detroit	<	8	7	0	39	23	15
N/A Cleveland	Cleveland	‡	‡	‡	‡	‡	30	‡
‡ 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.