HMHCO - Products

Houghton Mifflin Harcourt School Publishers provide comprehensive learning programs for pre-K–6.

Holt McDougal publishes an array of textbook programs and resources for grades 6–12.

Houghton Mifflin Harcourt Supplemental Publishers provides curriculum-based supplemental resources for pre-K–12.

Houghton Mifflin Harcourt Learning Technology creates innovative technology products for pre-K–12.

The Riverside Publishing Company develops assessments that measure intellectual, cognitive, and behavioral development.

Houghton Mifflin Harcourt Trade & Reference Publishers offers award-winning titles from new and established authors.

Houghton Mifflin Harcourt International Publishers provides pre-K–12 products and services for customers outside the United States.

Houghton Mifflin Harcourt Religion Publishers develops religious materials for pre-K–12 and adults.