Hi
Before sending ERD, you need to collect entities and relationships of the database.
Again two questions comes here,
Why we need relationships?
Instead of repeating data in different tables, relationships are established to share the tables and to minimize the duplication of data.
Why we need to collect entities?
Entities are target parts in the database. Withouit entities we can't move further. Entityrelationship comes here.
Your Project: School Project
What are the modules in your project?
My assumptions are, Adminstration, Student Details, Staff Details, Examination Branch...etc.
So please mention all the details about your project..I'll try to give ERD
Thanks for your time
Regards,
Vissu_tpt