The data flow diagram for a student management system shows how it handles student data, grades, and attendance. Students can check their grades, sign up for courses, and view their attendance reports. Teachers submit grades and assign courses. The system generates reports and manages user data. Libraries handle book requests, issue books, and confirm fee payments. This DFD helps manage academic and administrative tasks well. It improves the educational experience. A centralized system is key. It helps streamline operations and gives accurate, timely information to everyone involved.