There must be mirrors on three sides, not all four.

2.

The classroom area is at least 50 square meters.

3.

Warm up before you start, open the ligaments, and then start teaching basic skills.

4.

Then ask the students to jump the movements taught last time, and then teach them if they are not standardized.

5.

Practice, and then teach the next move.

6.

And so on until the students are taught.

If you don't understand, ask again. I'm glad to answer it for you.