Google Workspace for Education may 3rd party apps to be enabled for student access.

If you see the message "Access blocked: Your institution's admin needs to review 5-Star Students" you should request access to 5-Star Students from within the error message.

Your IT administrators can allow access to 5-Star Students by following the steps in these Google support articles:

Control which third-party & internal apps access Google Workspace data

Manage access to unconfigured third-party apps for users designated as under 18

When configuring our app, use the search term '5-star students' to locate.