If your child is learning ballet, how often do they perform in public?

[GrannyHaddock]

This afternoon we watched our DD dancing in her ballet school's Christmas show. They have been preparing for it all term. She loved it, and so did we. These staged performances happen every two years with this school. It is clear that it is a huge effort to put a show on at that level, but I wonder if literally a few minutes on stage every two years is enough to maintain interest? Now it is back to classes and exams. How else could she be involved in more performing?
For contrast, DD plays an instrument too and performs in public at least once every term in a whole evening's concert.
As I am more on the music side myself, I am a bit baffled by this.

I personally think the "tension between performing and training" exists in the music world too, GrannyHaddock. Gaining stage presence and performing skills are important for musicians but cannot be replaced with the actual training, specially if you are serious and want to be better.

We have a summer and christmas show each year, but they are not the grand affairs I sometimes see described on here.