Order		Cross- jurisdiction significant difference	Number of Jurisdictions Significantly			All students average scale score
			higher	not different	lower	2011
			higher	not different	lower
1 Charlotte	Charlotte	>	0	1	19	247
2 Austin	Austin	>	0	2	18	245
3 Hillsborough County (FL)	Hillsborough County (FL)	>	1	1	18	243
National public	National public	>	3	1	18	240
4 San Diego	San Diego	>	3	3	14	239
5 Boston	Boston	>	3	6	11	237
6 Houston	Houston	>	3	6	11	237
7 Miami-Dade	Miami-Dade	>	4	6	10	236
8 Albuquerque	Albuquerque	x	3	7	10	235
9 Jefferson County (KY)	Jefferson County (KY)	>	4	6	10	235
10 New York City	New York City	x	4	6	10	234
Large city	Large city		9	3	10	233
11 Dallas	Dallas	x	6	4	10	233
12 Atlanta	Atlanta	<	11	2	7	228
13 Baltimore City	Baltimore City	<	11	4	5	226
14 Philadelphia	Philadelphia	<	11	4	5	225
15 Chicago	Chicago	<	12	4	4	224
16 Los Angeles	Los Angeles	<	12	4	4	223
17 District of Columbia (DCPS)	District of Columbia (DCPS)	<	14	3	3	222
18 Milwaukee	Milwaukee	<	16	2	2	220
19 Fresno	Fresno	<	17	2	1	218
20 Cleveland	Cleveland	<	18	1	1	216
21 Detroit	Detroit	<	20	0	0	203
NOTE: DCPS = District of Columbia Public Schools. 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), 2011 Mathematics Assessment.