Evolution, due to its importance in science, holds a prominent place in national science standards and many state standards. Scientists nearly universally agree that the theory of evolution best explains the unity and diversity of life. Accordingly, numerous science, science education, and religious organizations support the teaching of evolution (Sager 2008). Nonetheless, evolution remains controversial (Hermann 2008) with a third of American adults stating that the theory is false (Miller, Scott, and Okamoto 2006). Given this controversy, teachers should know about the legal implications of teaching evolution in public schools. This article presents four approaches to teaching evolution along with legal implications of using them in public school classrooms. Teachers are encouraged to engage all students in learning evolution--even those most reluctant to do so-- while using best teaching practices consistent with current science and legally protecting oneself and school system.