BigSIS is a modern and highly customizable School Management Software / Student Information System (SIS) for private schools that is 100% web-based and made up of various fully integrated “modules.” This allows clients to decide which modules they want to use and you only have to pay for the modules you use! There are also many, many free modules which are included with the system, such as integrated email, tagging, notes, and much more. Learn more at https://www.bigsis.com