Creating a classroom should give feedback that chalk is creating the classroom

[tiffcodes]

Just created four classrooms that are the same because I didn't think the button worked

[Rchristiani]

I think it should do that. https://github.com/HackerYou/chalk/blob/master/app/components/manage-classrooms/index.jsx#L91-L104

I don't think the loading screen is running though, that could be the issue.