Proficiency Confusion: Making Sense of Student Math and Reading Scores

U.S. test scores have been declining for decades. Education experts are sounding the alarm. But here’s the question that rarely makes it into the headlines: if “proficient” means something different in every state, how do we know what we’re actually measuring?

Proficiency thresholds vary widely across states and shift over time, making results genuinely hard to interpret and compare. Meanwhile, students often take many different types of assessments per year, confusing the issue further. That’s not just a measurement problem. It’s a transparency problem — one that leaves families, employers, and policymakers without the shared foundation they need to make informed decisions.

In their latest report, Bellwether researchers use Lexile® and Quantile® Frameworks to translate proficiency thresholds into a common scale — showing what a proficiency rating actually means in practice, from the texts students can read to the math problems they can solve to the careers they need to be prepared for in the future.

Before we can address decades of declining achievement, we need to be able to see it clearly.

Read the full report

Proficiency Confusion: Making Sense of Student Math and Reading Scores