Twelfth-grade students who took biology, chemistry, and physics (166) scored higher on average than students who took just biology and chemistry (148), and both groups scored higher than those who took just biology or other science courses (133).
NOTE: The NAEP science scale ranges from 0 to 300. Some apparent differences between estimates may not be statistically significant. See complete data.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 Science Assessment.