Did you know Google has a significant training course for teachers? Did you know that by completing the training you could become a Google Certified Educator?
Have a look at https://teachercenter.withgoogle.com/
Even if you don’t want to become certified, the lessons there are well designed and will expand your capacity to use GSuite in your classroom. You’ll learn things you had no idea Google would allow you to do (I certainly did!) and you’ll be well-informed as to Google’s policies surrounding education, kids and privacy.
There are resources ready for your use here!