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The Nation's Report Card


Mathematics Overall Results State Comparisons Results by Demographic Groups Sample Questions Classroom Context About the Assessment About the Mathematics Assessment National Participation Rates National Exclusion Rates National and State Target Population State Participation Rates State Exclusion Rates Type of Accommodations Information For... Media Parents Educators Researchers Policymakers Resources About the Nation's Report Card Data Tools FAQ Contacts

National participation rates in mathematics

The school participation rate for the mathematics assessment was 98 percent (100 percent for public schools and 78 percent for private schools) at grade 4 and 97 percent (100 percent for public schools and 74 percent for private schools) at grade 8. To ensure unbiased samples, NCES statistical standards require that nonresponse bias analyses be conducted for any school or student group with a participation rate that falls below 85 percent. The results showed that school substitution and nonresponse adjustments were effective in reducing the observable nonresponse bias for private schools.

National school and student participation rates in NAEP mathematics at grades 4 and 8, by type of school: 2007
    School participation Student participation
    Student-weighted School-weighted Number of schools
participating after
substitution
Student-
weighted
percent
Number of
students
assessed
Grade Type of school Percent before
substitution
Percent after substitution Percent before
substitution
Percent after substitution
4    Nation 98 99 92 95 7,840 95 197,700
Public 100 100 100 100 7,310 95 189,800
Private 78 87 71 81 290 96 3,500
8    Nation 97 98 87 90 6,910 92 153,000
Public 100 100 100 100 6,400 92 147,300
Private 74 82 67 76 360 95 3,100
NOTE: The national totals include Department of Defense Education Activity (overseas and domestic schools) and Bureau of Indian Education schools, which are not included in either the public or private totals. The numbers of schools are rounded to the nearest ten, and the numbers of students are rounded to the nearest hundred.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2007 Mathematics Assessment.

The student-weighted school participation rates are calculated based on the estimated number of students represented by either the initially selected schools that participated in the assessment (before substitution) or the participating schools, whether originally selected or selected as a substitute for a school that chose not to participate (after substitution). The school-weighted school participation rates are calculated based on the estimated number of schools either before or after substitutions.

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