How to setup notifications iPhone?

You know those banner notifications that drop down and inform you something.
I was wondering if someone could help me set that up for school.
I want to know 5 minutes before class ends each period so I can know when class ends. I want to set it up so It automatically notifies me when class is about to end, when its about to start, when my passing periods end, when lunch starts/ends

Is this possible? Can you help me?

You have to do it on Reminders

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