I know a student who attended an elite Catholic high-school in my area a few years back. I was dismayed to see that her religion textbooks were full of references to “social justice” that were actually nothing more than your standard Marxist liberation theology.
Common Core has been picked up in 100 US dioceses.
A letter of protest exposing the goals, practices and materials of Common Core has very recently been sent to every bishop. Signers are numerous and i mean numerous, and by by powerfully experienced, expert educators from renown universities and institutions. .
Source: news column via newadvent.org.