• The Nation's Report Card (the official NAEP website)
• National Center for Education Statistics (NCES)
• Common Core of Data (national database of school information)

Public Online Tools for Harvesting NAEP Results:

• NAEP Data Explorer (NAEP state and national results, scale scores & achievement level scores)
• NAEP Questions Tool (items released from earlier NAEP assessments)
• NAEP State Comparisons Tool (comparisons based on average scale scores)