Percentages at or above each achievement level for grade 4 mathematics, by disability status of student, including those with 504 plan and jurisdiction: 2011, 2009, 2007, 2005, 2003, 2000, and 1996
Year	Jurisdiction	Identified as students with disabilities				Not identified as students with disabilities
Year	Jurisdiction	below Basic	at or above Basic	at or above Proficient	at Advanced	below Basic	at or above Basic	at or above Proficient	at Advanced
— Not available. NOTE: 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. Detail may not sum to totals because of rounding. Some apparent differences between estimates may not be statistically significant. Analyze results with NAEP Data Explorer. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 1996, 2000, 2003, 2005, 2007, 2009, and 2011 Mathematics Assessments.
2011	National	45	55	17	2	14	86	43	7
2009	National	41	59	19	2	15	85	42	6
2007	National	40	60	19	2	15	85	42	6
2005	National	43	57	16	2	17	83	39	5
2003	National	49	51	13	1	20	80	35	4
2000	National	—	—	—	—	—	—	—	—
1996	National	—	—	—	—	—	—	—	—