Remember, they are to this also and there no teachers police in the group:)
The students are going to think you are great and know everything they want to know. Smile and tell them all what a great job they are doing...
I have been teaching tole painting then quilting for over 2o years, I remember the first class I taught, I called everyone I could think of to sign up for the class so I would not standing in front of strangers LOL