Average scale scores and percentages for grade 8 science, by how often students do hands-on science activities, National School Lunch Program eligibility, 3 categories and jurisdiction: 2011 and 2009
Year	Jurisdiction	National School Lunch Program eligibility, 3 categories	Never or hardly ever		Once or twice a month		Once or twice a week		Every day or almost every day
Year	Jurisdiction	National School Lunch Program eligibility, 3 categories	Average scale score	Percentage	Average scale score	Percentage	Average scale score	Percentage	Average scale score	Percentage
‡ Reporting standards not met. NOTE: The NAEP Science scale ranges from 0 to 300. Detail may not sum to totals because of rounding. Some apparent differences between estimates may not be statistically significant. Analyze results with NAEP Data Explorer. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2009 and 2011 Science Assessments.
2011	National	Eligible	129	3	135	27	139	56	139	15
2011	National	Not eligible	156	2	161	22	165	58	167	18
2011	National	Information not available	‡	6	164	39	167	42	167	14
2009	National	Eligible	126	3	131	27	135	54	136	15
2009	National	Not eligible	151	2	157	22	162	57	165	19
2009	National	Information not available	151	3	161	31	167	53	171	13