Developer of student response software used to monitor student participation in classrooms. The company's student response system and classroom performance system is being used by over 1.5 million students in more than 60,000 K-12 classrooms and over 400,000 students in more than 400 colleges and universities. It sells handheld student response devices, interactive whiteboards, and wireless slates and panels that increase student engagement and enable real-time feedback for teachers. The materials are available in 40 languages and used in more than 90 countries.