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	2009
			higher	not different	lower
1 Florida	Florida	>	0	1	3	153	137	16
National public	National public		1	3	1	151	129	23
2 Texas	Texas	x	0	3	1	149	128	21
3 Illinois	Illinois	x	1	2	1	151	127	24
4 New York	New York	x	1	2	1	152	127	25
5 California	California	<	4	0	0	139	105	34
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 Science Assessment.