Houghton Mifflin Harcourt

HMH, or Houghton Mifflin Harcourt Company, is an adaptive learning company based in Boston, Massachusetts. It specializes in providing integrated K–12 educational solutions, including core curricula, supplemental materials, intervention programs, assessment tools, and professional learning for educators. The company focuses on using technology to gain insights into student learning and to support educators in motivating their students. With a history dating back to 1832, HMH serves over 50 million students in more than 150 countries. Its offerings include print and digital resources for various subjects and grade levels, formative and summative assessments, and professional development services for teachers. HMH also publishes award-winning children's books, novels, and reference materials enjoyed by readers around the world. The company distributes its materials through direct relationships with school districts and state agencies, ensuring that educators have the tools they need to foster student growth and measure outcomes effectively.