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Eighth-grade science achievement levels in United States

Eighth-grade science achievement levels

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Definition and Source



Eighth grade public school students’ sciences achievement levels, as measured and defined by the National Assessment of Educational Progress (NAEP).

For a more detailed description of achievement levels see: Public schools include charter schools and exclude Bureau of Indian Education schools and Department of Defense Education Activity schools.

Data Source

U.S. Department of Education, National Center for Education Statistics, National Assessment of Educational Progress (NAEP). Available online at


Updated November 2016.
S – NAEP reporting standards not met.
N.A. – Data not available.
A 90 percent confidence interval for each estimate can be found at Eighth-grade science achievement levels.

Last Updated

November 2016