Average scale scores and percentages for grade 8 science, by how often students work with others on activities, race/ethnicity used to report trends, school-reported and jurisdiction: 2011 and 2009
Year	Jurisdiction	Race/ethnicity used to report trends, school-reported	Never or hardly ever		Once or twice a month		Once or twice a week		Every day or almost every day
Year	Jurisdiction	Race/ethnicity used to report trends, school-reported	Average scale score	Percentage	Average scale score	Percentage	Average scale score	Percentage	Average scale score	Percentage
‡ Reporting standards not met. NOTE: Black includes African American, Hispanic includes Latino, and Pacific Islander includes Native Hawaiian. Race categories exclude Hispanic origin. Prior to 2011, students in the “two or more races” category were categorized as “unclassified”. 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	White	160	2	162	29	164	47	165	21
2011	National	Black	121	3	128	33	130	46	132	19
2011	National	Hispanic	133	2	137	27	138	47	139	24
2011	National	Asian/Pacific Islander	161	2	156	28	162	45	164	26
2011	National	American Indian/Alaska Native	137	3	137	34	145	47	144	15
2011	National	Two or more races	‡	2	150	28	158	48	159	22
2009	National	White	156	3	161	31	163	45	164	20
2009	National	Black	123	3	124	33	128	44	128	20
2009	National	Hispanic	125	4	132	31	133	44	133	22
2009	National	Asian/Pacific Islander	155	2	159	28	160	47	163	23
2009	National	American Indian/Alaska Native	129	5	137	36	139	42	139	17
2009	National	Two or more races	‡	2	151	31	152	46	154	21