Table of Contents  |  Search Technical Documentation  |  References

NAEP Sample Design → NAEP 2004 Long-Term Trend Sample Design → Sampling of Schools and Students → School Sampling Frame for the 2004 Long-Term Trend Assessment → Long-Term Trend Public School Sampling Frame

NAEP Technical DocumentationLong-Term Trend Public School Sampling Frame

The table below shows the number of public schools on the long-term trend frame, for each of the eight regions defined by NAEP region and Metropolitan Statistical Area (MSA) status (the primary PSU strata: see Final PSU Sample). These counts are simple totals, not weighted counts. Also presented are aggregations of the estimated nine-, thirteen-, and seventeen-year-olds across these schools, using as a weight the inverse of the PSU probability of selection. These weighted aggregations are unbiased estimates of the numbers of age-eligible students in public schools in each NAEP/MSA status region.

Number and enrollment of public schools in the sampling frame, by metropolitan status, long-term trend assessment: By NAEP region, 2004

NAEP region	MSA status	School count in sampled PSUs	Enrolled 9-year-olds (in U.S.)	Enrolled 13-year-olds (in U.S.)	Enrolled 17-year-olds (in U.S.)
Total		34,900	3,697,000	3,691,000	3,316,000
Northeast	MSA	9,400	635,000	633,000	566,000
	non-MSA	90	76,000	82,000	66,000
Southeast	MSA	4,600	629,000	637,000	521,000
	non-MSA	180	253,000	263,000	222,000
Central	MSA	6,300	605,000	605,000	585,000
	non-MSA	200	231,000	248,000	239,000
West	MSA	14,000	1,093,000	1,042,000	934,000
	non-MSA	270	174,000	181,000	182,000
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2004.

Printer-friendly Version