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NAEP Sample Design → NAEP 2004 Long-Term Trend Sample Design → Sampling of Schools and Students → Long-Term Trend Ineligible Schools

NAEP Technical DocumentationLong-Term Trend Ineligible Schools

Many schools were found to be ineligible because they had no students within the necessary age range. The table below presents counts of ineligible schools by status for the three school-age samples.

Sampled schools by age group and ineligibility status, long term trend study: 2004

Ineligibility/eligibility status	Age nine sample schools: number	Age nine sample schools: percent	Age thirteen sample schools: number	Age thirteen sample schools: percent	Age seventeen sample schools: number	Age seventeen sample schools: percent
Total sampled schools	730	100.0	700	100.0	620	100.0
Eligible schools	670	92.7	590	85.3	560	90.5
Total ineligible schools	50	7.3	100	14.7	60	9.5
No students in age range	30	3.6	70	9.6	30	4.3
Closed	20	2.6	20	2.2	10	1.6
Not regular schools	10	1.0	20	2.7	20	3.2
Other ineligible	0	0.0	#	0.1	#	0.3
Duplicate on sampling frame	#	0.1	0	0.0	0	0.0
# Rounds to zero. NOTE: Sample sizes are rounded to nearest  ten. Percentage calculated using unrounded numbers. Detail may not sum to totals because of rounding. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2004.

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