File:NAEP-reading-trends-race-2004.png
age 9: http://nces.ed.gov/nationsreportcard/ltt/results2004/age_9_reading_perf.asp
age 13: http://nces.ed.gov/nationsreportcard/ltt/results2004/age_13_reading_perf.asp
age 17: http://nces.ed.gov/nationsreportcard/ltt/results2004/age_17_reading_perf.asp