0 past simple and past participle of school
Schooled language is what's passed on in economically or socially recognized situations9 as best practice.
For example, printers schooled spellings before writers did, and grammar was schooled long before pronunciation.
Evidence of unschooled pronunciation in the 1700s is scarce because few schooled writers recorded it.
As they are spread through schools, schooled literacies are very much geared at sorting pupils.
It does not help that some of them are also philosophers schooled in metaphysics rather than in a rigorous empiricism.
If we call the other varieties and items 'unschooled', we assert of them only the negative fact that they're not schooled.
All too often, books in one discipline are written in a manner that make them seem addressed chiefly to those schooled in that discipline.
It fits that they privileged the lack of schooled musical training.