Which one is correct " Teacher's Zone Training Center or Teacher Zone Training Center."?

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@Marco_Rick_field
If it is a title of a chapter, or a group, or an app, or a classroom exercise, the noun phrase is 'Teacher-Zone'.

it's like a name. If something is big, important, or always around, sometimes you name it. you can say --this part of the classroom is a zone. Which zone is it? It is the teacher-zone. Teacher-Zone is the name.

'Teacher's zone' is a description, not a name. It sounds smaller, less important, less permanent. Sometimes it also implies that the zone belongs to the teacher only, that other people are not welcome in it.