| Characteristic | Share of students |
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| - | - |
| - | - |
| - | - |
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February 2012
United States
2009
* This indicator represents the proportion of a state’s fourth grade students in public schools that has met or exceeded the proficiency standard in science. For the fourth grade, the proficient level (scores 167–223) represents solid academic performance and demonstrates competency over challenging subject-matter knowledge.
** Data is not available.
Approximately 156,500 fourth grade students in 9,330 schools participated in the 2009 NAEP mathematics assessment.
NOTES: National average for United States is reported value in National Assessment of Educational Progress (NAEP) reports. NAEP grade 4 science scores for public schools only.









