Onex, an investment manager, agreed to acquire Tes Global, an education technology services provider, from Providence Equity Partners, a premier private equity firm that specializes in growth-oriented investments in media, communications, education and technology. Financial terms were not disclosed. "Tes has a well-established brand and deep-rooted relationships with teachers, creating an unparalleled and highly differentiated place in the market. We were attracted to its focus of helping both teachers and school administrators deliver better educational outcomes for students in the UK and around the world," Nigel Wright, Onex Senior Managing Director.