Percentile scores for grade 4 vocabulary, by all students and jurisdiction: 2011 and 2009
YearAll studentsNational
10th percentileStandard Error25th percentileStandard Error50th percentileStandard Error75th percentileStandard Error90th percentileStandard Error
NOTE: The NAEP Vocabulary scale ranges from 0 to 500. Some apparent differences between estimates may not be statistically significant. Analyze results with NAEP Data Explorer.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 and 2011 Vocabulary Assessments.
2011All students167(0.4)193(0.5)220(0.4)245(0.4)266(0.4)
2009All students166(0.7)193(0.4)221(0.4)247(0.3)269(0.6)