Should evolution and creationism be taught side-by-side in public schools?

Depends on what is meant by "side-by-side." Religious studies do not belong in a science classroom. Various creation myths have value as literature and as a "window" into ancient societies. There would be no reason to discuss the belief that the universe is made of the remains of Pan-gu, with Nuwa forming people from the mud of the Yellow River, in a science class.