Pearson's Web-Based Universal Screening and Progress Monitoring System, AIMSweb, Now Features Lexile Measures

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Assessment Reports From Powerful RTI Tool Offer Teachers Widely Adopted Reading Measure for Personalizing Learning

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Pearson announced today that it is adding Lexile® measures to AIMSweb®, the company's universal screening, progress monitoring and data management system that serves as a framework for Response to Intervention (RTI). The company collaborated with MetaMetrics®, developer of The Lexile Framework for Reading, to add Lexile measures to select AIMSweb benchmark reports.

The Lexile Framework accurately matches readers with books and instructional resources by measuring both reading ability and text complexity on the same developmental scale. Unlike other systems, the Lexile Framework evaluates reading ability based on actual assessments, rather than generalized age or grade levels. The Lexile Framework is based on more than 20 years of research funded by the National Institute of Child Health and Human Development. Its distinct approach to measuring readers and texts has resulted in adoptions by departments of education in nearly half the states and school districts in all 50 states.

With this latest enhancement, select AIMSweb reading reports now provide a Lexile measure that is also a direct hyperlink to MetaMetrics’free "Find a Book" search tool. Users can then search through a specific list of fiction and nonfiction titles that match each student’s unique reading ability and interests.

“Part of the power of an RTI assessment tool is its ability to connect learners with appropriate resources,” said Carol Watson, president, Pearson’s Clinical Assessment business. The addition of Lexile measures to AIMSweb reports will allow teachers to more effectively target reading instruction for students, putting them on the path to build the skills necessary for success in school, college and careers."

"By using Lexile measures from AIMSweb reports, districts and schools will be better able to implement an effective RTI framework that prepares students for the next grade and, ultimately, their postsecondary academic and professional pursuits," added MetaMetrics President and co-founder Malbert Smith III, Ph.D.

The AIMSweb research team worked closely with MetaMetrics to link AIMSweb Reading-CBM and Maze scores with Lexile measures through a national study conducted in May 2011.

To learn more about Lexile reporting for AIMSweb and view sample reports, visit

About MetaMetrics
MetaMetrics is focused on improving education for learners of all ages and ability levels. The organization develops scientific measures of academic achievement and complementary technologies that link assessment results with real-world instruction. MetaMetrics' products and services for reading (The Lexile® Framework for Reading, El Sistema Lexile para Leer), mathematics (The Quantile® Framework for Mathematics), and writing (The Lexile Framework for Writing) provide unique insights about academic ability and the potential for growth, enabling individuals to achieve their goals at every stage of development. Connect with the organization at and

About Pearson
Pearson (NYSE:PSO), the global leader in education services, education technology and school solutions, provides innovative print and digital education materials for preK through college, student information systems and learning management systems, teacher professional development, career certification programs, and testing and assessment products that set the standard for the industry. Pearson’s other primary businesses include the Financial Times Group and the Penguin Group. For more information, go to

For more information:
Adam Gaber, Pearson
800-745-8489 / adam(dot)gaber(at)pearson(dot)com / @apgaber (twitter)
Eric Zurowski, MetaMetrics
919-547-3453 / ezurowski(at)Lexile(dot)com


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