uneducated
adjective
the workforce remains largely uneducated and unskilled:
untaught, unschooled, ill-educated, untutored, untrained, unskilled, underskilled, unread, unscholarly, illiterate, unlettered, ignorant, ill-informed, uninformed, lowbrow;
uncouth, unsophisticated, uncultivated, uncultured, unaccomplished, unenlightened, philistine, benighted, backward, vulgar, simple;
archaic rude.
▷antonyms educated, learned.
uneducated Oxford Dictionary of English