About the Assessment: Exclusion 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 may 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.

Grade 4 National and State

Grade 8 National and State

Grade 4 Trend

Grade 8 Trend

Percentage of all students

Percentage of identified students

Percentage of eighth-grade public and nonpublic school students identified as students with disabilities (SD) and/or English language learners (ELL) excluded in NAEP mathematics, as a percentage of all students, by state/jurisdiction: Various years, 1990–2011
	Percentage of all students
State/jurisdiction	1990¹	1992¹	1996	2000	2003	2005	2007	2009	2011
Nation	—	6	4	4	3	3	4	3	2
Nation (public)	—	6	5	4	4	4	4	3	3
Alabama	5	5	7	6	2	1	3	2	1
Alaska	—	—	5	—	1	2	4	3	3
Arizona	5	6	9	3	4	5	3	2	1
Arkansas	7	6	7	2	2	3	2	1	1
California	7	8	10	4	3	2	2	2	1
Colorado	4	4	4	—	2	3	2	2	1
Connecticut	6	7	8	6	4	3	2	2	1
Delaware	4	4	9	—	9	11	7	3	3
Florida	6	6	10	—	3	3	3	2	2
Georgia	3	5	7	5	2	2	5	3	3
Hawaii	4	5	5	5	4	3	2	2	2
Idaho	2	3	—	2	1	2	2	1	1
Illinois	5	—	—	5	4	3	6	3	2
Indiana	5	5	6	3	2	4	6	4	3
Iowa	4	4	5	—	2	3	2	3	1
Kansas	—	—	—	3	3	4	4	3	1
Kentucky	5	5	5	4	4	3	7	5	3
Louisiana	4	4	6	3	5	4	3	2	1
Maine	—	4	5	3	4	5	5	2	2
Maryland	4	5	7	3	4	4	7	7	6
Massachusetts	—	8	8	3	3	6	9	6	4
Michigan	4	6	5	4	5	4	5	3	4
Minnesota	3	3	3	2	2	2	2	3	2
Mississippi	—	7	7	5	5	3	2	2	1
Missouri	—	4	7	3	4	4	5	3	1
Montana	2	—	3	2	2	2	3	3	2
Nebraska	3	4	4	4	4	1	3	3	4
Nevada	—	—	8	4	2	2	4	2	3
New Hampshire	4	5	4	—	3	2	3	3	2
New Jersey	7	7	7	—	2	4	3	2	4
New Mexico	6	5	8	7	2	3	3	3	2
New York	6	8	8	4	5	4	3	3	1
North Carolina	3	3	4	5	4	3	2	2	2
North Dakota	3	2	3	2	1	4	6	5	4
Ohio	5	6	—	4	5	6	7	5	5
Oklahoma	5	6	—	4	2	4	8	6	10
Oregon	3	—	4	3	3	3	3	3	1
Pennsylvania	5	4	—	—	2	3	4	3	2
Rhode Island	6	5	7	3	4	3	3	2	1
South Carolina	—	6	6	4	7	6	5	4	4
South Dakota	—	—	—	—	2	2	2	2	2
Tennessee	—	5	4	2	3	5	6	4	4
Texas	6	7	9	8	7	6	6	5	5
Utah	—	4	6	3	3	2	3	3	3
Vermont	—	—	4	3	3	4	4	2	1
Virginia	5	5	7	6	7	5	7	4	3
Washington	—	—	6	—	2	2	4	2	2
West Virginia	5	6	8	3	3	3	2	2	2
Wisconsin	4	4	7	4	3	4	5	3	2
Wyoming	3	4	2	1	1	2	2	2	1
Other jurisdictions
District of Columbia	5	10	10	6	6	6	10	6	4
DoDEA²	—	—	3	1	1	2	2	2	3
— Not available. The state/jurisdiction did not participate or did not meet the minimum participation guidelines for reporting. ¹ Accommodations not permitted. ² Department of Defense Education Activity (overseas and domestic schools). NOTE: The national results include both public and nonpublic school students. The national (public) and state/jurisdiction results include public school students only. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), various years, 1990–2011 Mathematics Assessments.

State/jurisdiction	Excluded	Assessed	Assessed without accommodations	Assessed with accommodations
	Percentage of identified SD students
Nation	22	78	15	63
Nation (public)	22	78	15	63
Alabama	13	87	59	28
Alaska	25	75	8	67
Arizona	16	84	21	63
Arkansas	9	91	17	74
California	15	85	25	59
Colorado	16	84	14	70
Connecticut	14	86	16	69
Delaware	15	85	6	79
Florida	13	87	6	81
Georgia	23	77	10	67
Hawaii	11	89	24	65
Idaho	15	85	28	57
Illinois	20	80	13	68
Indiana	31	69	12	57
Iowa	16	84	11	73
Kansas	24	76	10	66
Kentucky	37	63	12	51
Louisiana	11	89	11	78
Maine	12	88	17	71
Maryland	56	44	8	36
Massachusetts	28	72	15	56
Michigan	24	76	15	62
Minnesota	17	83	23	60
Mississippi	17	83	13	70
Missouri	26	74	18	56
Montana	22	78	15	64
Nebraska	23	77	19	58
Nevada	22	78	21	57
New Hampshire	14	86	26	61
New Jersey	11	89	10	79
New Mexico	22	78	20	58
New York	14	86	4	82
North Carolina	12	88	9	80
North Dakota	34	66	24	42
Ohio	33	67	8	58
Oklahoma	41	59	12	47
Oregon	20	80	31	50
Pennsylvania	19	81	10	71
Rhode Island	10	90	18	72
South Carolina	32	68	29	39
South Dakota	17	83	23	60
Tennessee	36	64	9	55
Texas	39	61	18	43
Utah	27	73	15	58
Vermont	11	89	24	64
Virginia	24	76	23	53
Washington	19	81	20	60
West Virginia	10	90	25	65
Wisconsin	16	84	12	72
Wyoming	13	87	17	70
Other jurisdictions
District of Columbia	34	66	7	59
DoDEA¹	13	87	27	60
# Rounds to zero. ¹ Department of Defense Education Activity (overseas and domestic schools). NOTE: SD includes those identified under section 504. In NAEP, students who have an IEP or a 504 plan are classified as SD. 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 Mathematics Assessment.

State/jurisdiction	Excluded	Assessed	Assessed without accommodations	Assessed with accommodations
	Percentage of identified IEP students
Nation	23	77	14	63
Nation (public)	23	77	14	63
Alabama	13	87	59	28
Alaska	25	75	8	67
Arizona	16	84	20	64
Arkansas	9	91	15	75
California	16	84	25	59
Colorado	17	83	12	71
Connecticut	16	84	15	68
Delaware	17	83	5	78
Florida	14	86	5	81
Georgia	24	76	10	66
Hawaii	12	88	18	70
Idaho	18	82	21	61
Illinois	21	79	10	69
Indiana	31	69	11	58
Iowa	17	83	10	73
Kansas	24	76	10	66
Kentucky	38	62	12	50
Louisiana	13	87	10	77
Maine	13	87	14	73
Maryland	63	37	6	31
Massachusetts	31	69	11	58
Michigan	24	76	14	62
Minnesota	17	83	22	61
Mississippi	18	82	12	70
Missouri	27	73	16	57
Montana	22	78	13	64
Nebraska	23	77	18	59
Nevada	23	77	19	59
New Hampshire	16	84	17	66
New Jersey	12	88	7	81
New Mexico	22	78	20	58
New York	16	84	3	81
North Carolina	13	87	7	80
North Dakota	39	61	16	45
Ohio	35	65	6	59
Oklahoma	41	59	12	47
Oregon	20	80	30	50
Pennsylvania	20	80	7	73
Rhode Island	10	90	17	73
South Carolina	35	65	26	39
South Dakota	17	83	23	60
Tennessee	36	64	8	56
Texas	42	58	16	42
Utah	27	73	14	58
Vermont	14	86	12	74
Virginia	26	74	21	54
Washington	20	80	20	61
West Virginia	11	89	22	67
Wisconsin	16	84	11	73
Wyoming	14	86	14	73
Other jurisdictions
District of Columbia	34	66	7	59
DoDEA¹	13	87	26	60
# Rounds to zero. ¹ Department of Defense Education Activity (overseas and domestic schools). NOTE: In NAEP, students who have an IEP or a 504 plan are classified as SD. 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 Mathematics Assessment.

State/jurisdiction	Excluded	Assessed	Assessed without accommodations	Assessed with accommodations
	Percentage of identified ELL students
Nation	8	92	58	34
Nation (public)	8	92	58	34
Alabama	17	83	67	15
Alaska	6	94	41	53
Arizona	9	91	39	52
Arkansas	3	97	32	65
California	4	96	81	15
Colorado	6	94	44	51
Connecticut	11	89	24	66
Delaware	24	76	12	64
Florida	9	91	5	86
Georgia	9	91	19	73
Hawaii	15	85	43	42
Idaho	2	98	60	38
Illinois	19	81	27	54
Indiana	10	90	42	49
Iowa	15	85	38	47
Kansas	5	95	57	38
Kentucky	36	64	21	44
Louisiana	3	97	41	56
Maine	10	90	46	44
Maryland	16	84	7	77
Massachusetts	25	75	34	42
Michigan	7	93	54	39
Minnesota	10	90	59	31
Mississippi	16	84	50	34
Missouri	28	72	35	37
Montana	4	96	53	43
Nebraska	8	92	52	40
Nevada	6	94	47	47
New Hampshire	15	85	51	34
New Jersey	13	87	8	79
New Mexico	6	94	43	51
New York	14	86	6	80
North Carolina	8	92	32	60
North Dakota	36	64	38	26
Ohio	43	57	22	34
Oklahoma	9	91	60	31
Oregon	6	94	58	36
Pennsylvania	17	83	44	40
Rhode Island	21	79	22	58
South Carolina	5	95	49	47
South Dakota	11	89	61	28
Tennessee	37	63	11	52
Texas	11	89	68	21
Utah	5	95	59	36
Vermont	8	92	41	50
Virginia	12	88	39	49
Washington	12	88	40	48
West Virginia	7	93	66	27
Wisconsin	15	85	27	58
Wyoming	#	100	34	66
Other jurisdictions
District of Columbia	27	73	28	45
DoDEA¹	16	84	46	38
# Rounds to zero. ¹ Department of Defense Education Activity (overseas and domestic schools). NOTE: 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 Mathematics Assessment.

	Percentage of identified SD and/or ELL students
State/jurisdiction	Excluded	Assessed	Assessed without accommodations	Assessed with accommodations
Nation	25	75	27	48
Nation (public)	26	74	27	47
Arkansas	20	80	23	57
Connecticut	24	76	15	62
Florida	31	69	5	64
Idaho	20	80	30	50
Illinois	29	71	15	56
Iowa	24	76	21	55
Massachusetts	29	71	17	54
New Hampshire	18	82	37	45
New Jersey	21	79	12	67
South Dakota	23	77	27	50
West Virginia	14	86	28	57
NOTE: SD includes those identified under section 504. The national results include both public and nonpublic school students. The national (public) and state results include public school students only. Eleven states participated in the assessment and met the reporting criteria. Detail may not sum to totals because of rounding. Students identified as both SD and ELL were counted only once under the combined SD and/or ELL category, but were counted separately under the SD and ELL categories. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 Mathematics Assessment.

	Percentage of identified SD students
State/jurisdiction	Excluded	Assessed	Assessed without accommodations	Assessed with accommodations
Nation	30	70	18	52
Nation (public)	31	69	18	51
Arkansas	24	76	19	57
Connecticut	25	75	13	62
Florida	40	60	3	57
Idaho	23	77	25	52
Illinois	31	69	14	55
Iowa	26	74	16	57
Massachusetts	32	68	15	53
New Hampshire	18	82	37	45
New Jersey	21	79	11	68
South Dakota	25	75	24	51
West Virginia	15	85	26	59
NOTE: SD includes those identified under section 504. In NAEP, students who have an IEP or a 504 plan are classified as students with disabilities. The national results include both public and nonpublic school students. The national (public) and state results include public school students only. Eleven states participated in the assessment and met the reporting criteria. 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 Mathematics Assessment.

	Percentage of all students
State/jurisdiction	Identified	Excluded	Assessed	Assessed without accommodations	Assessed with accommodations
Nation	13	3	10	3	6
Nation (public)	14	4	10	4	6
Arkansas	15	3	12	3	9
Connecticut	13	3	10	2	8
Florida	16	5	11	1	11
Idaho	10	2	8	3	5
Illinois	14	4	10	2	8
Iowa	12	3	9	3	7
Massachusetts	16	5	12	3	9
New Hampshire	17	3	14	6	8
New Jersey	16	3	13	2	11
South Dakota	10	2	7	3	5
West Virginia	15	2	13	4	9
NOTE: SD includes those identified under section 504. The national results include both public and nonpublic school students. The national (public) and state results include public school students only. Eleven states participated in the assessment and met the reporting criteria. Detail may not sum to totals because of rounding. Students identified as both SD and ELL were counted only once under the combined SD and/or ELL category, but were counted separately under the SD and ELL categories. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 Mathematics Assessment.