Students throughout the nation participated in the 2012 long-term trend assessment in mathematics and reading during the 2012 school year. Results will be reported in 2013.

The long-term trend assessment was last administered in 2008 to students aged 9, 13, and 17 throughout the nation. Approximately 26,600 students took the reading assessment, while about 26,700 took the mathematics assessment. 

Exploring Results
View the results of the 2008 long-term trend assessment. Download a copy of the 2008 Long-Term Trend Report.

Exploring NAEP Long-Term Trend

	Read the results from the 2004 long-term trend assessment in NAEP 2004 Trends in Academic Progress.
	Read the results from the 1999 long-term trend assessment in NAEP 1999 Trends in Academic Progress.
	Read the NAEP 1999 Long-Term Trend Technical Analysis Report.

How the NAEP Long-Term Trend Assessment Works

	Learn what the long-term trend assessment measures in mathematics and reading.
	Learn how the long-term trend assessment was developed.
	Learn who took the assessment and how it was administered.
	Explore sample questions from the assessments, and see how they were scored.
	Find out what students know and can do by reading about the long-term trend scales.
	Find out what students should know and be able to do by viewing long-term trend performance levels.
	Learn about the differences between the long-term trend assessment and the main NAEP assessment.
	Read more about how to interpret the results of the long-term trend assessment.

Using NAEP Data

Explore long-term trend data in the NAEP Data Explorer.

Long-term trend 2008 restricted-use data for mathematics and reading are available for licensed researchers; other NAEP microdata are also available.