In its ongoing effort to make classrooms, well, more Googley, Google has a new batch of updates for its Classroom program today.

In a post to its for Education blog, Google has announced a handful of new features for Classroom, the most notable being collaboration. Now, educators can invite other educators to collaborate on a class, so other teachers can give students feedback, create assignments, make announcements, and participate in student discussions.

In fact, Google says, invited teachers can do almost everything the main teacher can do - "everything except delete the class."

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