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NAEP Charter School Pilot Study

Charter school students took the fourth-grade NAEP reading and mathematics assessments at the same time as students in all other schools. Within each of the 150 participating charter schools, a random sample of students participated in either the reading or mathematics assessment. About half participated in reading and about half in mathematics. In total, 3,115 charter school students participated in the reading assessment, and 3,154 charter school students participated in the mathematics assessment.

While charter schools are similar to other public schools in many respects, they differ in several important ways, including the makeup of the student population and their location. For example, in comparison to other public schools, higher percentages of charter school fourth-grade students are Black or attend schools in central cities.

Who Attends Charter Schools?

Grade 4: 2003

charter school student population


*Significantly different from other public schools. 

Source: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2003 Mathematics Charter School Pilot Study.

View a table containing the charter school and other public school population percentages shown in the figure above.

Browse the executive summary or download the full report: America's Charter Schools.

Explore NAEP charter school performance results.

Go back to America's Charter Schools for more information.


Last updated 05 January 2005 (RF)

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National Center for Education Statistics -
U.S. Department of Education