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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
Grade 4 SD
Grade 4 ELL
Grade 8 SD/ELL
Grade 8 SD
Grade 8 ELL
Grade 12 SD/ELL
Grade 12 SD
Grade 12 ELL
Percentage of fourth-grade students identified as students with disabilities (SD), excluded, and assessed in NAEP science, as a percentage of identified SD students, by state/jurisdiction: 2009
  Percentage of identified SD students
State/jurisdiction Excluded Assessed Assessed
without
accommodations
Assessed
with
accommodations
    Nation 12 88 23 64
      Nation (public) 13 87 23 64
Alabama 9 91 56 36
Alaska
Arizona 12 88 34 54
Arkansas 10 90 16 73
California 23 77 32 46
Colorado 11 89 15 74
Connecticut 14 86 11 75
Delaware 10 90 11 78
Florida 8 92 19 73
Georgia 7 93 31 62
Hawaii 7 93 16 76
Idaho 14 86 27 59
Illinois 7 93 23 69
Indiana 11 89 31 58
Iowa 10 90 15 74
Kansas
Kentucky 12 88 30 58
Louisiana 7 93 18 75
Maine 8 92 18 74
Maryland 17 83 14 69
Massachusetts 17 83 13 70
Michigan 15 85 28 57
Minnesota 14 86 34 52
Mississippi 8 92 33 59
Missouri 12 88 30 57
Montana 13 87 23 65
Nebraska
Nevada 17 83 28 55
New Hampshire 9 91 17 74
New Jersey 8 92 12 80
New Mexico 14 86 21 66
New York 5 95 7 88
North Carolina 12 88 26 62
North Dakota 17 83 22 61
Ohio 13 87 17 70
Oklahoma 21 79 22 58
Oregon 17 83 29 54
Pennsylvania 8 92 23 69
Rhode Island 10 90 16 74
South Carolina 8 92 39 53
South Dakota 12 88 40 49
Tennessee 12 88 22 66
Texas 24 76 22 54
Utah 15 85 29 57
Vermont
Virginia 10 90 22 68
Washington 14 86 27 58
West Virginia 9 91 39 52
Wisconsin 12 88 14 74
Wyoming 9 91 22 70
Other jurisdictions        
    District of Columbia
    DoDEA1 9 91 25 67
— Not available.
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 students with disabilities. 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.