I know about a school website that my school is using presently,visit their website and see for yourself.
https://edubest.com.ng
For demo login:
Username: demo
Password: 123456
With just 10k per term you will have access to so many features e.g
Attachments Book
Attendance
Bulk Sms And Email for attendance and much more
Card Management, student & staff id card with qr code for attendance
Certificate
Custom Domain
Events
Homework
Hostel
Human Resource
Inventory
Library
Live Class
Office Accounting
CBT Exam
Qr Code Attendance
Reception
Student Accounting
Transport
Website
And so much more just try it and see for yourself
https://chat.whatsapp.com/BI1FwevuXJ7JdC7Y9peaqA