Millions of students, teachers, and professors use eInstruction® technology in 400,000 K-12 classrooms and more than 1,000 higher-education institutions around the world. Available in 40 languages, eInstruction technology is enhancing education in more than 90 countries worldwide. eInstruction® is headquartered in Denton, Texas, with offices in Columbia, Maryland, Scottsdale, Arizona, Cincinnati, Ohio, and Paris, France.