I'm not sure, based on this post, that you have an accurate point of view about the dominant narrative of western culture.
On the other hand, it is of course appropriate at the high school level to acknowledge the conflicting religious views that exist. And how we need to allow people to have those views.
Science needs to be taught along with evidence for the science and if some parts of the science happen to be against a student's religion, the student merely needs to be challenged to be aware of what the science is, including the evidence, instead of being forced to accept the science.