While the past several decades have brought federal regulations that are designed to make animal research more humane, ethics courses still form only a patchwork across colleges. The amount and types of ethical training available to students vary widely by program and the culture of an institution. Now discussions about animal-research ethics that were once confined to philosophy courses are showing up as requirements for graduate students in the sciences and veterinary medicine. This article describes how several universities across the country are making efforts to add ethics courses for animal research in their curriculum.