Can I Delete or Close My G Suite Account
Short answer: no.
This article applies to: Cornell G Suite for Students
Slightly longer answer:
No, not while you are a student. All students have G Suite accounts; all official university communications are sent to this address.
You can choose to access your messages through another email app (if you don't like Google's interface).
You can choose to forward your messages to another email address, although we recommend against this practice.