School Management Software & Mobile App using Java

with modern architecture, better UI/UX, easier maintenance, and long-term scalability. The new system should cover core school operations such as:
admissions
student management
attendance
fee management
exams and report cards
timetable
certificates and ID cards
notifications
parent/student/teacher communication
pdf and excel reports and dashboards
role based access
payment gateway integration
help/support features

Technology: Java EE / MySQL Backend, Modern Web UI, Flutter App