The chart below shows the percentage of questions that you answered correctly, as well as how students at each of the achievement levels performed on this set of questions. For instance, twelfth-grade students at Proficient had a percentage correct of 77% on average.
Twelfth-grade percentage correct on selected science questions: 2009
Note: No bar for Advanced appears on the graph because reporting standards were not met.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 Science Assessment.
View this set of questions in the NAEP Questions Tool to see student performance.