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Table B.1.46. Average scores of U.S. 15-year-old students on the reading literacy scale in PISA, by percentage of students in public school eligible for free or reduced-price lunch: 2009
Percent of students in public school eligible for free or reduced-price lunch Score   s.e.
Less than 10 percent 551 * 7.6
10 to 24.9 percent 527 * 6.5
25 to 49.9 percent 502 ** 4.1
50 to 74.9 percent 471 * 6.5
75 percent or more 446 * 6.9
U.S. average 500   3.7
OECD average 493   0.5
*p < .05. Significantly different from the U.S. and Organization for Economic Cooperation and Development (OECD) averages at the .05 level of statistical significance.
**p < .05. Significantly different from the OECD average at the .05 level of statistical significance, but not significantly different from the U.S. average.
NOTE: The National School Lunch Program provides free or reduced-price lunch for students meeting certain income guidelines. The percentage of students receiving such lunch is an indicator of the socioeconomic level of families served by the school. The OECD average is the average of the national averages of the OECD member countries, with each country weighted equally. Scores are reported on a scale from 0 to 1,000. Standard error is noted by s.e. Data are for public schools only.
SOURCE: Fleischman, H.L., Hopstock, P. J., Pelczar, M.P, and Shelly, B.E. (2010). Highlights From PISA 2009: Performance of U.S. 15-Year-Old Students in Reading, Mathematics, and Science Literacy in an International Context (NCES 2011-004), supplemental table R4. U.S. Department of Education, National Center for Education Statistics. Washington, DC: U.S. Government Printing Office.