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In 1996, HMH created their Great Source Education Group to combine the supplemental material product lines of their School Division, McDougal Littell, and Heath.

An adaptive learning company, HMH creates K-12 integrated curriculum, assessment and professional learning solutions that power students’ growth.

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Explore HMH's curriculum. Browse our personalized K-12 classroom solutions by subject and program to discover ways HMH can support you.

With a focus on what moves each learner, HMH delivers what educators need to foster growth and build lasting momentum. We create integrated K–12 learning solutions for core, …

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