Elementary and Secondary Education

Assessments

Table S14-1. Standard errors for the average writing scale scores and percentage of students at each achievement level, by grade: 1998, 2002, and 2007

Grade, scale score, and achievement level	1998	2002	2007

Grade 8
Average scale score	0.6	0.5	0.2
Percentage at each achievement level
Below Basic	0.5	0.4	0.2
At or above Basic	0.5	0.4	0.2
At or above Proficient	0.7	0.6	0.3
At Advanced	0.1	0.1	0.1

Grade 12
Average scale score	0.7	0.8	0.6
Percentage at each achievement level
Below Basic	0.7	0.7	0.5
At or above Basic	0.7	0.7	0.5
At or above Proficient	0.7	0.8	0.6
At Advanced	0.1	0.2	0.1

SOURCE: U.S. Department of Education, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 1998, 2002, and 2007 Writing Assessments, NAEP Data Explorer.

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