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That's a good point, there was also the professor who casually joined his class's private chat (given the surprise opportunity) and then got screenshots of the group's cheating process.

I think he also got screenshots of the group suspecting that some other student was telling on them.

Edit, found the original: https://web.archive.org/web/20220601073048/https://crumplab....

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That seems like a bad representation of what happened. A teacher was invited to join a group chat at the beginning of the term. And then students started to use the chat to cheat, not realizing the teacher was part of the group. It's pretty clear the students were at fault, while also being really sloppy at cheating.

Yes, we had quite a debacle including a class chat that the much maligned teacher was not a part of. These kinds of chats should never see the light of day, and the kids in them should not create circumstances where someone feels they need to report it.

Having a parallel classroom the teacher cannot access can be a dangerous toy

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