Here's how separation of church and state works in America. There's a bill before the legislature in Mississippi that requires the following disclaimer in public school textbooks [House Bill 25].
The word 'theory' has many meanings, including: systematically organized knowledge; abstract reasoning; a speculative idea or plan; or a systematic statement of principles. Scientific theories are based on both observations of the natural world and assumptions about the natural world. They are always subject to change in view of new and confirmed observations.This is similar to the language in Cobb country Georgia. Their sticker was ruled unconstitutional in 2005 (Selman v. Cobb County School District).
This textbook discusses evolution, a controversial theory some scientists present as a scientific explanation for the origin of living things. No one was present when life first appeared on earth. Therefore, any statement about life's origins should be considered a theory.
Evolution refers to the unproven belief that random, undirected forces produced living things. There are many topics with unanswered questions about the origin of life which are not mentioned in your textbook, including: the sudden appearance of the major groups of animals in the fossil record (known as the Cambrian Explosion); the lack of new major groups of other living things appearing in the fossil record; the lack of transitional forms of major groups of plants and animals in the fossil record; and the complete and complex set of instructions for building a living body possessed by all living things.
Study hard and keep an open mind.
It's bad enough that there are elected officials in Mississippi who oppose evolution but even worse is the fact that they propose legislation that is unconstitutional. Isn't that treason?
They don't see it that way. They don't really believe that the public schools should be free of religion and they'll keep fighting to put it back in the schools in spite of what any court might say. It's one thing to have something written down in a constitution and it's quite another to get people to live by it. This fight between science and superstition isn't going to be won in the courtroom. It requires changing hearts and minds.
For the time being, let's ignore the fact that the disclaimer contains lies and misrepresentations of science. The main issue is the idea that evolution suggests, "... that random, undirected forces produced living things." This is where science and religion conflict and people who believe in God are quite right to be fearful of what critical thinking and an open mind might do to the faith of their children.1
1. The disclaimer pretends to support open-mindedness but in fact it's the exact opposite. It's a form of censorship.