Karyn Lewis
Karyn Lewis is director of the Center for School and Student Progress at NWEA where she leads a team of researchers who operate at the intersection of K–12 education research, practice, and policy.Posts by author
Fact sheet
2025 MAP Growth norms quick reference
The 2025 update to MAP® Growth™ norms is essential to account for changes in US student demographics, post-pandemic shifts in student performance, and more.
Fact sheet
Top 5 features of 2025 MAP Growth norms
MAP® Growth™ norms are among the most robust and trusted in K–12 education thanks to the rigor, transparency, and scale behind their development.
Fact sheet
Why norms matter
MAP® Growth™ norms are one of our most critical assets in helping partners make sense of student performance and progress.
White paper
Why research and innovation can improve outcomes
Making sound, student-focused decisions amid constant change can feel impossible. Partnering with a research-based assessment provider can help.