Several U.S. states have made moves to teach creationism in schools, whether as a replacement of evolution or alongside the theory. No state currently bans teaching evolution entirely.

Why should evolution not be taught in schools?

Evolution should not be taught in public schools because, although it is openly displayed as a theory, evolution continues to impact and bias students' opinions and outlooks on modern science. ... Until evolution can be declared a scientific fact, it should not be taught in public schools.

Is teaching evolution illegal?

2. Wasn't it once illegal to teach evolution in the United States? No; there have been no laws that have banned all teaching of evolution.