Google Is Discontinuing Unlimited Storage for All Education Customers

More helpful information like:

"What do I do if I need more storage?

Institutions with greater than 20,000 students, faculty, and staff or 20,000 active users that follow our Terms of Service and Acceptable Use Policy will be provided with additional storage. This process will roll out by the end of 2021."

is available in this help article:

https://support.google.com/a/answer/10403871