What exactly do acting schools teach? Why do some stars have extensive schooling and others appear to have just walked onto a set?

Question

What exactly do acting schools teach? Why do some stars have extensive schooling and others appear to have just walked onto a set?

In: Other

Answer 1

there are a lot of “mechanical” things about acting that you can teach – how to project your voice, how to deal with sightlines, singing and dancing, accents, movement, etc