I do not know what you mean by broach sth, that word broach only has very special meanings, others than you mentioned, at least as far as I know.
But: bring up can be used in the sense of mentioning something, of adapting figures
And for your question, in the sense of education, it refers to education in general, meaning what you learn during your childhood, taught by your parents, referring to your home and for example the moral aspects, your believe - those are the things you learn during your upbringing.