Yes and it is orchestrated this way. Not all the teachers fault but rather an orchestration of systems with an outcome of having mostly unthinking worker bees. Abstract reasoning is no longer tolerated and as with the "no child left behind" program just pure garbage from the beginning. Competition/winners/losers is all good for growth in life unless you want to be a mushroom.
Uneducated people are easier to deal with than thinkers.
PS the dumb down principal began all the way back to the late 1800s ! Makes me think of the old lab experiment where you put a frog in cold water in a pan and turn on the fire low. He won't notice getting hot 'till he's cooked! People are a lot like that.