About the Assessment: Inclusion Rates

NAEP has always endeavored to assess all students selected as a part of its sampling process, including students who are classified by their schools as students with disabilities (SD) and/or as English language learners (ELL). The decision to exclude any of these students is made by school personnel. School personnel are encouraged to use inclusion criteria provided by NAEP and may discuss their inclusion decisions with NAEP field staff. Some students participate with testing accommodations. Read more about the NAEP inclusion policy, including exclusion rates from current and previous assessments in all subject areas.

The tables below show the percentage of students identified as SD and/or ELL, and provide the rate of students excluded and accommodated in two ways: as a percentage of all students in the NAEP sample, or as a percentage of students identified as SD and/or ELL. Tables that provide percentages of SD students include those identified under Section 504 of the Rehabilitation Act of 1973, as amended (Title 29 U.S.C. 794 Section 504), which prohibits discrimination on the basis of handicap in federally assisted programs and activities. In addition, the percentages are further disaggregated in the SD tables by showing those who were identified as having an Individualized Education Program (IEP) .

Grade 4 SD/ELL

Percentage of all students

Percentage of identified students

Percentage of eighth-grade students identified as students with disabilities (SD) and/or English language learners (ELL) excluded and assessed in NAEP science, as a percentage of identified SD and/or ELL students, by state/jurisdiction: 2009
	Percentage of identified SD and/or ELL students
State/jurisdiction	Excluded	Assessed	Assessed without accommodations	Assessed with accommodations
Nation	11	89	30	59
Nation (public)	11	89	30	58
Alabama	12	88	61	27
Alaska	—	—	—	—
Arizona	13	87	30	57
Arkansas	8	92	19	73
California	7	93	70	23
Colorado	9	91	27	64
Connecticut	10	90	20	70
Delaware	8	92	9	83
Florida	9	91	8	83
Georgia	11	89	16	73
Hawaii	9	91	34	56
Idaho	10	90	33	57
Illinois	9	91	18	73
Indiana	13	87	17	70
Iowa	7	93	15	78
Kansas	—	—	—	—
Kentucky	19	81	14	67
Louisiana	9	91	15	76
Maine	8	92	18	73
Maryland	18	82	9	73
Massachusetts	17	83	15	68
Michigan	17	83	23	60
Minnesota	13	87	36	50
Mississippi	10	90	17	73
Missouri	9	91	21	70
Montana	14	86	21	65
Nebraska	—	—	—	—
Nevada	8	92	31	61
New Hampshire	10	90	24	66
New Jersey	12	88	8	80
New Mexico	15	85	36	49
New York	9	91	5	86
North Carolina	10	90	16	74
North Dakota	25	75	19	55
Ohio	15	85	8	76
Oklahoma	19	81	23	58
Oregon	9	91	43	47
Pennsylvania	8	92	13	79
Rhode Island	14	86	21	66
South Carolina	13	87	31	56
South Dakota	11	89	27	62
Tennessee	13	87	11	76
Texas	21	79	41	39
Utah	12	88	27	61
Vermont	—	—	—	—
Virginia	11	89	25	64
Washington	15	85	32	52
West Virginia	10	90	26	64
Wisconsin	12	88	16	72
Wyoming	10	90	21	69
Other jurisdictions
District of Columbia	—	—	—	—
DoDEA¹	16	84	26	58
— Not available. ¹ Department of Defense Education Activity (overseas and domestic schools). NOTE: SD includes those identified under section 504. The national results include both public and nonpublic school students. The national (public) and state/jurisdiction results include public school students only. Detail may not sum to totals because of rounding. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 Science Assessment.