Build Knowledge. Strengthen Literacy.

ClassMate by World Book gives every middle school student access to expert-verified content designed to build knowledge across every subject and deepen understanding over time.

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The More Students Know, the Better They Read.

Reading comprehension builds over time through repeated exposure to knowledge across every subject. When students know more about the world around them, they read more confidently, engage more deeply, and construct more meaningful understanding from everything they encounter in the classroom. The challenge is making sure every student has access to content worth reading in the first place.

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

A Digital Library Built for Middle School Students

ClassMate gives teachers access to a vast digital library of expert-verified World Book resources spanning science, social studies, ELA, and high-interest topics. Every piece of content is written specifically for middle school students, not adapted from other sources or pulled from the open web, and expertly reviewed before it ever reaches a classroom.

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Written for Students

ClassMate content is written specifically for middle schoolers, with language, structure, and depth designed to meet students where they are and move them forward. It is not adapted from adult sources or pulled from the broader internet.

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Ready-to-Use Assignments

ClassMate’s library includes thousands of ready-to-use assignments written by literacy specialists and World Book experts, giving teachers trusted materials that work alongside existing instruction.

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High-Interest Topics Across Every Subject

From Colonial America to contemporary science, ClassMate exposes students to new concepts, ideas, and vocabulary that build the background knowledge that makes learning stick.

Where Content Knowledge and Reading Come Together

The more students read content written for them, the more their knowledge grows. The more their knowledge grows, the more confidently they read. ClassMate puts that cycle in motion across every subject, every classroom, and every kind of learner.

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Students Build Lasting Knowledge

Repeated exposure to rich, verified content across every subject gives students the background knowledge they need to read more confidently, engage more deeply, and construct meaningful understanding over time.

Understanding Deepens Across Every Classroom

When knowledge and reading grow together, students move beyond surface-level responses to develop the reasoning skills and confidence they need to succeed across every subject, not just during dedicated reading instruction..

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“I love that the literacy strategies are included. As a history teacher, I know what literacy strategies are, but not always how to use them with what I am teaching. This would make it easy to give the students exactly what they need for literacy.”

— Katherine