Oh dear, that's not even in the Concise Oxford Dictionary.
How else, though, briefly to name the complex set of processes through which we are made into well-adjusted members of society-as-it-is? Or not?
"Upbringing" suggests all the explicit parental lessons, like when to say "please" and "thankyou" (if, that is, your mother tongue has a word for "please"). And "education"... nah.