Create a class chat to discuss:

In a chat channel, the class can chat and the teacher can see what the students are writing. If students do not follow the rules, they can be muted. 

How to create private channels for a group of students:

Through private channels, it is possible for teachers and students to exchange without the team being able to see this content. 

Mute or unmute students:

To prevent a student from disturbing the conversation, it is possible to mute the student.