Google Classroom Review

Think of Google Classroom as an added feature for a class, rather than a full-service educational environment. It's a good interface for schools using G Suite for Education, and a great resource for other instructors who want to use it ad hoc.
A powerful add-on for in-person classes, but it's not a full-fledged replacement.

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Official Google Cloud Blog: More teaching, Less tech-ing: Google

Not able to see assignments submitted in review section. - Google

Google Classroom Review 2021

Google Classroom Review