Original sentence: The school board claims it does not teach intelligent design but simply makes students aware of its existence as an alternative to evolution.The school board claims there are "gaps" in evolution, which it claims is a theory rather than established fact (biologists say that evolution is a fact explained by the theory), and that students have a right to consider other views on the origins of life (biologists say that the theory of evolution explains biodiversity, not the origins of life; see abiogenesis)
Edited sentence: The  school board claims it does not teach intelligent design but simply makes students aware of its existence as an alternative to evolution.The school board claims there are "gaps" in evolution, which it emphasizes is a theory rather than established fact, and that students have a right to consider other views on the origins of life