Schools give many tests throughout the year to identify students’ skills and gaps in their learning, including universal screening, diagnostic, formative, interim, and summative assessments. These tests generate a huge amount of data meant to guide instruction—but all of this information can be overwhelming if teachers don’t have an easy way to process it.

There is such a thing as having too much data. If teachers have to sort through an abundance of data to figure out what their students need, and if they don’t know which data points they should focus on to achieve the greatest impact on learning, then...

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  • About the Author:

    Debbie Clark and Stephanie Williamson are teachers on special assignment for the Buena Park Elementary School District in Orange County, California.