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About SNAP

The Next Generation Science Standards (NGSS) have been adopted by many states, including California, but numerous questions remain about how state and local administrators, professional developers, developers of instructional materials and assessments, and teachers will implement the new standards. The Stanford NGSS Assessment Project (SNAP) is focusing on ways that high-quality performance assessment can support the implementation process.


SNAP activities include:

Dr. Helen Quinn discusses NGSS and the role of performance assessment.

Research & reports

4 components of the model NGSS assessment system

SNAP reports describe a model assessment system designed to support the vision of teaching and learning underpinning the standards, and an analysis of the landscape of existing assessments to identify lessons and promising models to guide the development of NGSS assessments.

Developing NGSS assessments

Short-response items and performance assessments developed to model each component of SNAP's system of assessment for NGSS.

Professional development

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SPD activities support teachers, assessment developers,  administrators, and researchers in using performance assessments to support three-dimensional learning.

The SNAP Team

The SNAP team is made up of experts on science education and assessment, post-doctoral fellows, and graduate students committed to improving the quality of science education for students. SNAP is a project of Stanford University’s Stanford Center for Assessment, Learning, and Equity.

Questions or comments?