NAEP Assessment Sample Design → NAEP 2008 Sample Design → 2008 Long-Term Trend (LTT) Assessment Sample Design → 2008 Private School Long-Term Trend (LTT) Assessment → Target Population for the 2008 Private School Long-Term Trend (LTT) Assessment

NAEP Technical DocumentationTarget Population for the 2008 Private School Long-Term Trend (LTT) Assessment

The target population for the 2008 private school long-term trend assessment included all students in three age populations (9, 13, and 17) who were enrolled in private schools in the 50 states and the District of Columbia.

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