Can you learn to be a good teacher?

Magical virtues can be taught with a high enough source quality of teacher, what about some mundane virtues, like good teacher? Are people supposed to be born with the virtue,or is it learned? If learned, how?

Virtues can be gained through mystery cult initiations or through Forest Paths (Guardians of the Forest). Mostly it's a innate talent people either have or do not have. Note that most professional teachers may not have it, as a good Communication score and high Teaching Ability goes a long way.

Ye wanna learn ta be a Good Teacher? Aye, I hear da magi keep a nice lil' Teachin' summa in da library. None much better'n a teacher who knows how to teach, ya?

This was discussed a while back, and someone proposed an initiation script for it