Attention of schools in teaching morality has not shifted over time,but rather it is social standards and parenting  that has dwindled.
In recent times,the role of parenting and moral teachings to children and society at large has been left to children themselves,our peer and the internet(social media).
In so doing,there is limited or no control over what we learn or unlearn.Consequentially,a continues hiking of immortality on the internet(social media) and transferred to the real world.
So it is society as whole that has wake up from the slumber and up morality levels in society instead of only liking up to only schools and worship centers