Actually Creatonism was banned from being taught as science in schools in the Dover trial. It is not a theory, it is a hypothesis. One that is demonstrably false. Evolution is also not an 'unproven theory' there is no such thing. You have no understanding of what the word theory means in science. A theory is an explanation of facts that passes rigorous and regular testing via the scientific method. Evolution is a fact. The theory of evolution is the best explanation of that fact and the details. There are segments of the theory that remain unknown and segments that are subject to debate. However change over time is a scientific fact. This has long been accepted by the scientific community.