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As the global availability and utility of Lexile measures continue to grow, students and English learners worldwide are using the Lexile metric to improve their reading skills. The most widely used text complexity measure of reading, Lexile measures already connect tens of millions of students to more than 100 million articles and books through extensive partnerships in government, publishing, technology, and research.

Content publishers — including tradebook, textbook and school library publishers, catalog automation service providers, periodical database service providers, book sellers and distributors — provide Lexile measures for their texts used in classrooms across the the world, at home, and in the library. Leading educational testing publishers partner with MetaMetrics to develop assessments or to link to existing assessments to report students' reading scores as Lexile reader measures. Additionally, many popular digital programmes utilise Lexile measures to help students and English learners find books that match their abilities and improve their reading skills.


Learn More about the Developers of the Lexile Framework

MetaMetrics, the developer of the Lexile Framework for Reading, is focused on improving education for students of all ages. The organisation develops scientific measures of academic achievement and complementary technologies that link assessment results with instruction. For more than thirty years, MetaMetrics’ work has been increasingly recognized worldwide for its distinct value in differentiating instruction and personalizing learning. Founded by leaders in education, Jack Stenner, Ph.D. and Malbert Smith III, Ph.D., MetaMetrics’ products and services provide valuable insights about academic ability and the potential for growth, enabling students to achieve their goals at every stage of development. Learn more about our leadership team at