Percentile scores for grade 8 vocabulary, by all students and jurisdiction: 2011 and 2009
YearJurisdictionAll students
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.
2011National216(0.5)241(0.3)267(0.3)291(0.3)311(0.3)
2009National214(0.6)241(0.5)267(0.4)292(0.5)314(0.6)