In all 10 of the districts where overall scores were lower than in
large cities, scores for students eligible for free/reduced-price lunch were also lower than the score for eligible students in large cities.
Comparison of district and large city average scores for fourth-grade public school students in NAEP mathematics, by selected student groups: 2009

NOTE: Black includes African American, Hispanic includes Latino, and Pacific Islander includes Native Hawaiian. Race categories exclude Hispanic origin. DCPS = District of Columbia Public Schools.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 Mathematics Assessment.