When I became an administrator back in 2008, I realized there were too many students flying under the radar and not reading at their grade level. If there’s one thing I know as an educator, now a superintendent, it’s that reading level defines success—period. Research shows that if a student reads on grade level, his or her likelihood of being successful dramatically increases.

Early in my educational career, I learned first-hand the impact of using student achievement data to guide my instruction, but assessment results don’t tell the whole story of a student. As part of my mission to...

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  • About the Author:

    Tammy Mangus is the Superintendent of the Monticello Community School District (NY). She has won an Excellence in Education award for promoting data-driven practices to improve student growth. Follow her on Twitter @TammyMangus.