Order		Cross- jurisdiction significant difference	Number of Jurisdictions Significantly			Not identified as students with disabilities average scale score			Identified as students with disabilities average scale score			Not identified as students with disabilities - Identified as students with disabilities 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 Florida	Florida	x	0	3	1	152	149	3	128	127	1	24	22	2
National public	National public		0	4	1	154	152	2	124	122	1	31	30	1
2 Illinois	Illinois	x	0	3	1	151	152	-1	123	120	2	28	32	-4
3 Texas	Texas	x	0	3	1	156	153	3	121	122	-1	35	31	4
4 New York	New York	x	0	3	1	154	152	1	120	126	-6	33	26	7
5 California	California	<	4	0	0	144	140	4	104	97	8	39	43	-4
The category “students with disabilities” includes students identified as having either an Individualized Education Program (IEP) or protection under Section 504 of the Rehabilitation Act of 1973.
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.