MetaMetrics® is the world’s leading authority on measuring reading and math skills. The Lexile® and Quantile® Frameworks connect students’ reading and math abilities to the complexity of content on the same scale, making learning more personalized. The Lexile and Quantile Frameworks are industry standards used across all 50 states. Over 35 million students receive our measures, turning individual moments of assessment into meaningful connections that empower learning. Most major assessments and over 100+ million books, articles, and digital learning resources are mapped to Lexile and Quantile measures, resulting in tighter connections between assessments, curricula, and careers.