Archipelago Learning, Inc. (Archipelago Learning) is a subscription-based, software-as-a-service (SaaS) provider of education products. The Company provides standards-based instruction, practice, assessments, reporting and productivity tools that support educators� efforts to reach students via Web-based platforms. Archipelago Learning operates in three segments: Study Island, Educationcity Limited (EducationCity) and Educationcity Inc. (an Illinois company). As of December 31, 2010, its product lines, which include Study Island, EducationCity, Reading Eggs and Northstar Learning, were utilized by over 13.2 million students in approximately 37,500 schools in all 50 states, Washington, D.C., Canada, and the United Kingdom. On June 9, 2010, the Company acquired Educationcity, which is a developer and publisher of online educational learning solutions. In May 2012, the Company announced that it completed its merger with PLATO Learning, a portfolio company of Thoma Bravo, LLC.