|Table A4. Average scores of 15-year-old students on the PISA reading literacy scale in Massachusetts public schools, by various student subgroups: 2015|
|Reporting groups||Average score||s.e.|
|Percentage of students in enrolled schools eligible for free or reduced-price lunch|
|Less than 10 percent||571||*||7.4|
|10 to 24.9 percent||548||*||8.2|
|25 to 49.9 percent||517||*||8.7|
|50 to 74.9 percent||506||**||4.4|
|75 percent or more||477||20.2|
|* p<.05. Significantly different from both the U.S. and OECD averages at the .05 level of statistical significance.
** p<.05. Significantly different from the OECD average at the .05 level of statistical significance.
NOTE: The OECD average is the average of the national averages of the OECD member countries, with each country weighted equally. Reporting standards were not met for American Indian/Alaska Native and Native Hawaiian/Other Pacific Islander. Black includes African American, and Hispanic includes Latino. Students who identified themselves as being of Hispanic origin were classified as Hispanic, regardless of their race. Although data for some race/ethnicities were not shown separately because the reporting standards were not met, they are included in the U.S. and state totals. The National School Lunch Program provides free or reduced-price lunch for students meeting certain income guidelines. The percentage of students eligible for this program is an indicator of the socioeconomic level of families served by the school.Data on free or reduced-price lunch are based on principals' responses to a question in the school questionnaire that asked the approximate percentage of eligible students in the school during the previous school year. Standard error is noted by s.e.
SOURCE: Organization for Economic Cooperation and Development (OECD), Program for International Student Assessment (PISA), 2015.