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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 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 8 National and State
Grade 8 Trend
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: 2011
  SD and/or ELL SD ELL
State/jurisdiction Excluded Assessed Assessed
without
accom-
modations		 Assessed
with
accom-
modations		 Excluded Assessed Assessed
without
accom-
modations		 Assessed
with
accom-
modations		 Excluded Assessed Assessed
without
accom-
modations		 Assessed
with
accom-
modations
    Nation 9 91 27 64 12 88 13 75 6 94 54 40
      Nation (public) 10 90 27 63 12 88 13 75 6 94 54 40
Alabama 9 91 56 35 10 90 52 38 ‡ ‡ ‡ ‡
Alaska 5 95 18 77 7 93 10 83 3 97 26 71
Arizona 7 93 14 78 8 92 13 79 ‡ ‡ ‡ ‡
Arkansas 6 94 21 73 8 92 12 80 2 98 37 61
California 8 92 59 33 18 82 19 63 4 96 73 23
Colorado 6 94 29 65 9 91 9 82 2 98 52 46
Connecticut 8 92 12 79 10 90 11 79 7 93 15 78
Delaware 10 90 14 76 11 89 11 78 ‡ ‡ ‡ ‡
Florida 7 93 6 87 6 94 7 87 7 93 4 89
Georgia 13 87 16 71 15 85 17 69 ‡ ‡ ‡ ‡
Hawaii 10 90 35 55 9 91 18 73 11 89 54 36
Idaho 12 88 31 57 16 84 21 63 6 94 49 44
Illinois 7 93 20 73 7 93 12 81 6 94 43 51
Indiana 8 92 16 76 9 91 12 79 2 98 35 63
Iowa 6 94 10 84 6 94 6 88 2 98 29 69
Kansas 8 92 40 52 11 89 19 70 2 98 74 24
Kentucky 21 79 15 64 20 80 13 67 ‡ ‡ ‡ ‡
Louisiana 8 92 7 85 8 92 5 87 ‡ ‡ ‡ ‡
Maine 9 91 20 70 9 91 17 73 ‡ ‡ ‡ ‡
Maryland 14 86 8 78 14 86 6 80 ‡ ‡ ‡ ‡
Massachusetts 15 85 13 73 15 85 7 78 17 83 35 48
Michigan 19 81 23 58 19 81 17 64 ‡ ‡ ‡ ‡
Minnesota 12 88 38 50 14 86 28 58 5 95 62 33
Mississippi 11 89 14 75 11 89 11 78 ‡ ‡ ‡ ‡
Missouri 9 91 19 72 9 91 16 75 ‡ ‡ ‡ ‡
Montana 11 89 21 68 13 87 14 74 ‡ ‡ ‡ ‡
Nebraska 9 91 21 70 9 91 14 77 6 94 53 41
Nevada 7 93 31 62 11 89 17 72 4 96 41 55
New Hampshire 11 89 23 66 11 89 21 68 ‡ ‡ ‡ ‡
New Jersey 6 94 4 90 6 94 3 91 ‡ ‡ ‡ ‡
New Mexico 8 92 45 47 13 87 22 65 7 93 60 33
New York 7 93 2 91 7 93 2 91 8 92 2 90
North Carolina 9 91 22 69 11 89 14 75 5 95 42 54
North Dakota 20 80 15 64 23 77 13 64 ‡ ‡ ‡ ‡
Ohio 13 87 9 77 14 86 7 78 ‡ ‡ ‡ ‡
Oklahoma 16 84 29 55 17 83 23 60 ‡ ‡ ‡ ‡
Oregon 9 91 33 58 12 88 24 64 4 96 50 46
Pennsylvania 6 94 9 85 7 93 9 85 ‡ ‡ ‡ ‡
Rhode Island 3 97 22 75 3 97 19 78 8 92 35 57
South Carolina 8 92 30 62 10 90 20 70 1 99 52 47
South Dakota 10 90 27 64 10 90 22 69 ‡ ‡ ‡ ‡
Tennessee 11 89 11 78 12 88 11 77 ‡ ‡ ‡ ‡
Texas 13 87 45 42 18 82 16 66 9 91 75 16
Utah 13 87 19 67 16 84 9 74 5 95 37 58
Vermont 7 93 20 72 7 93 18 75 ‡ ‡ ‡ ‡
Virginia 15 85 29 56 15 85 21 64 17 83 42 41
Washington 12 88 28 60 14 86 16 70 4 96 56 40
West Virginia 11 89 23 65 12 88 22 66 ‡ ‡ ‡ ‡
Wisconsin 10 90 15 74 13 87 12 75 3 97 24 74
Wyoming 9 91 13 78 10 90 8 82 ‡ ‡ ‡ ‡
Other jurisdictions      
    District of Columbia 7 93 11 82 7 93 7 86 9 91 22 70
    DoDEA1 9 91 23 68 6 94 10 84 17 83 47 36
‡ Reporting standards not met. Sample size insufficient to permit a reliable estimate.
1 Department of Defense Education Activity (overseas and domestic schools).
NOTE: 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. SD includes students identified as having either an Individualized Education Program or protection under Section 504 of the Rehabilitation Act of 1973. 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), 2011 Science Assessment.