Houghton Mifflin Harcourt (HMH), based in the Boston Financial District, is a prominent American publisher specializing in textbooks, instructional technology materials, assessments, and reference works. Originally known as Houghton Mifflin Company, it rebranded following its acquisition of Harcourt Publishing in 2007. HMH's core mission is to shape student success through innovative educational solutions, offering a powerful digital platform designed to support K-12 teachers and improve student outcomes. The company focuses on integrating research-based intervention programs to help students achieve grade-level proficiency.

Notable figures affiliated with HMH include its leadership team and educational experts who drive the company's mission forward. HMH has garnered significant investment from Veritas Capital, which now owns the company. Key achievements include the development of comprehensive digital tools and resources that have been widely adopted in educational institutions across the United States. HMH's impact is evident in its ability to enhance educational experiences and outcomes for millions of students, solidifying its position as a leader in the educational publishing industry.