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About ClassMate

ClassMate is the next generation of teaching and learning from World Book, a company that has inspired curiosity and built knowledge for learners of all ages for more than 100 years.
 
The award-winning reading and learning platform gives every middle school teacher access to expert-verified content designed to build knowledge across every subject and deepen understanding over time.

Built by World Book. Trusted by Educators. 

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For generations teachers, librarians, and students have trusted World Book for accurate, balanced, and expertly reviewed educational content. That same commitment to quality is at the heart of ClassMate.

Unlike many AI-powered educational tools that rely on content from across the open web, ClassMate is built on World Book's extensive library of trusted, vetted content. Every article available in ClassMate has been created or reviewed by World Book's editorial experts.

Our AI doesn't search the internet for answers; it works within that trusted knowledge base to help teachers quickly create engaging classroom activities and learning experiences. That approach combines the efficiency of AI with the confidence that comes from more than a century of World Book editorial expertise.

Only 14% of 13-year-olds say they read for fun almost every day in 2025, down from 35% in 1984 (NAEP)

Our Mission

At World Book, we believe every student deserves access to trustworthy information and engaging learning experiences that help them build knowledge, strengthen literacy, and think critically.
 
ClassMate extends that mission by combining World Book's expert content with responsible AI and research-based instructional practices to support reading and learning across every subject.

Why Educators Trust World Book

For more than a century, World Book has partnered with schools, libraries, and families around the world by providing:

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Expert, Trusted Content

 Expert-written and carefully reviewed educational resources backed by a longstanding commitment to accuracy, objectivity, and editorial excellence. 

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Purpose-Built for Learners

 Resources designed specifically for learners—not adapted from the open web—paired with innovative learning solutions that help students succeed in today’s classrooms. 

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Always Current and Relevant

 Continuously updated content that keeps information accurate, fresh, and relevant to evolving classroom needs. 

A Foundation You Can Trust

ClassMate combines the innovation educators need with the trusted content and editorial standards they have relied on for generations. Built by World Book, it brings together more than a century of educational expertise with responsible AI to help students build knowledge, strengthen literacy, and learn with confidence.

The World Book team takes their role as educators and information providers seriously. They are dedicated to producing content that is accurate, authoritative, inclusive, unbiased, and accessible, equipping students with the knowledge they need to succeed in the classroom and beyond. Their editorial standards ensure that every resource we publish upholds the highest levels of integrity, reliability, and educational value.