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	2009	2011 - 2009	2011	2009	2011 - 2009	2011	2009	2011 - 2009
			higher	not different	lower
1 Texas	Texas	>	0	0	4	168	162	6	142	140	3	26	22	3
2 Florida	Florida	x	1	0	3	162	156	5	138	135	3	24	22	2
National public	National public		1	1	3	164	161	3	137	133	4	27	28	-1
3 New York	New York	<	2	1	1	164	163	1	134	131	3	31	33	-2
4 Illinois	Illinois	<	2	1	1	162	161	0	132	127	4	30	34	-4
5 California	California	<	4	0	0	157	153	4	127	122	5	30	31	-1
NOTE: National public is 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 and 2011 Science Assessments.