Order		Cross- jurisdiction significant difference	Number of Jurisdictions Significantly			Not eligible average scale score	Eligible average scale score	Not eligible - Eligible Gap average scale score
			higher	not different	lower	2011
			higher	not different	lower
1 Austin	Austin	>	0	3	16	311	270	41
2 Charlotte	Charlotte	>	0	4	15	306	267	39
3 Fresno	Fresno	>	0	7	12	289	251	38
4 San Diego	San Diego	>	0	11	8	299	265	34
5 Jefferson County (KY)	Jefferson County (KY)	>	2	10	7	294	261	33
6 District of Columbia (DCPS)	District of Columbia (DCPS)	>	2	10	7	278	246	33
7 Atlanta	Atlanta	>	2	10	7	292	260	33
8 Hillsborough County (FL)	Hillsborough County (FL)	x	3	11	5	297	269	28
9 Albuquerque	Albuquerque	x	3	11	5	292	264	28
10 Philadelphia	Philadelphia	x	1	16	2	289	261	28
11 Baltimore City	Baltimore City	x	3	13	3	285	257	27
Large city	Large city		7	9	5	293	266	27
12 Boston	Boston	x	4	12	3	302	275	26
National public	National public	x	7	9	5	295	269	26
13 Los Angeles	Los Angeles	x	3	14	2	283	257	26
14 Chicago	Chicago	x	7	11	1	289	267	22
15 Miami-Dade	Miami-Dade	<	9	9	1	286	266	20
16 Milwaukee	Milwaukee	x	7	11	1	270	250	19
17 New York City	New York City	<	9	9	1	288	270	18
18 Houston	Houston	<	13	5	1	291	276	15
19 Dallas	Dallas	<	11	8	0	286	272	14
20 Detroit	Detroit	<	18	1	0	252	245	7
N/A Cleveland	Cleveland	‡	‡	‡	‡	‡	256	‡
‡ Reporting standards not met.
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.