PowerSchool is described as 'The fastest-growing, most widely used web-based student information system, supporting more than 8.5 million students in 50 states and over 50 countries. PowerSchool enables today's educators to make timely decisions that impact student performance while' and is a school management system in the education & reference category. There are more than 25 alternatives to PowerSchool, not only websites but also apps for a variety of platforms, including Windows, Android, Linux and iPhone apps. The best PowerSchool alternative is RosarioSIS, which is both free and Open Source. Other great sites and apps similar to PowerSchool are Fedena, Alma, Ilerno and Schoology.