BigSIS is a comprehensive, web-based school management system designed to streamline administrative tasks for educational institutions. It offers a variety of tools to enhance the efficiency of administrative workflows, covering functions such as admissions, enrollment, student records, billing, and fundraising. BigSIS is particularly aimed at private and independent schools looking to simplify and automate their daily operations. Its modular approach allows schools to tailor the platform to their specific needs, ensuring flexibility and ease of use.