Houghton Mifflin Harcourt and ClassLink announced the launch of a new, innovative service model for educators and school communities. ClassLink will provide and manage rostering and single sign-on (SSO) technologies for HMH customers to enable seamless access to HMH's leading classroom solutions, including comprehensive technical services. The partnership combines best-in-class learning experiences, leading curriculum and seamless tech integration to empower teachers and learners.