The editorial cartoon by Chris OBrion of The Roanoke Times illustrates the importance of not giving preference to one religion in the classroom.
It’s not like we need to ignore religion altogether, though. A Comparative Religions class would put the faiths on the same level and allow for (I imagine) very interesting discussions.
The next one makes a different point (click to embiggen).
As Carl Sagan would say, science is a candle in the dark. Religion offers a lot of explanations for the way the world works and those beliefs must be confirmed with evidence. We can’t be afraid of asking the tough questions even if we might not want to know what the truth actually is.