So what is the belief in naturalism doing in public schools?
That is as much a metaphysical belief as any religion. It is merely pantheism in different clothes.
"The cosmos is all that is or ever was or ever will be." Carl Sagan
Which naturalism?
Naturalism may refer to:
* Naturalism (philosophy), any of several philosophical stances wherein all phenomena or hypotheses commonly labeled as supernatural are either false, unknowable, or not inherently different from natural phenomena or hypotheses
o Methodological naturalism is the belief that observable events in nature are explained only by natural causes without assuming the existence or non-existence of the supernatural
o Metaphysical naturalism, the belief that the natural world is all that exists
* Ethical naturalism, the theory that ethical terms can be defined in non-ethical terms
* Humanistic naturalism, an outlook that places the emphasis upon a naturalism based upon scientific reasoning
* Natural history, a broad area of the natural sciences concerned with living things
* Sociological naturalism, the view that the natural world and the social world are roughly identical and governed by similar principles
* Naturalism (art), an artistic style
* Naturalism (literature), a literary, cinematic, or theatrical style
* Naturalism (horse), a race horse trained by Lee Freedman
* Naturalistic observation, an empirical method of study by which the researcher introduces no outside stimulus, instead witnessing behavior as it naturally occurs in the environment
(source Wikipedia)