With education products and services used by 57 million students throughout all 50 U.S. states and 120 countries, Houghton Mifflin Harcourt is a global education and learning company. The world’s largest provider of materials for pre-K–12 learning, Houghton Mifflin Harcourt is leading the way with innovative solutions and approaches to the challenges facing education today. Through curricula excellence coupled with technology innovations and professional services, Houghton Mifflin Harcourt collaborates with school districts, administrators, teachers, parents and students, providing interactive, results-driven learning solutions. Its Educational Consulting Services group works to increase student achievement in underperforming schools by developing, implementing and supporting education transformation through sustained district partnerships. With origins dating back to 1832, the Company also publishes an extensive line of reference works and award-winning literature for adults and young readers.