Cambium Learning Group, a provider of education software, completed the acquisition of Assessment Division of the American Institutes for Research, a behavioral and social science research organization. Financial terms were not disclosed. AIR Assessment uses technology to measure student progress and provide educators and families with timely, relevant information about teaching and learning. “AIR Assessment is an ideal partner for Cambium Learning as we seek to help all students reach their potential. Working together, we are excited to build upon both AIR Assessment’s and Cambium Learning’s digital content to provide schools and districts with the most effective tools that are aligned to their curriculums and strategic goals,” John Campbell, Cambium Learning CEO.