How a Head Teacher Becomes a Principal

How does someone become a principal in your system? I, I, actually, that's a good question. Can we, can we back up? What actually is, so what actually is a head teacher because we don't have this in the US. That is exactly what I'm trying to add. Yeah. And I don't know if like head teachers need to have even ever taught, but they're generally like really comfortable, very well paid and they are there to do a lot of administrative stuff.