This study seeks to determine whether or not using indigenous Taiwanese folktales as materials in EFL classes could help to improve the learning outcomes of indigenous Taiwanese high school students by increasing their foreign language enjoyment and motivation. Indigenous high school students in this study used two types of classroom materials: A graded reader set in a generic western milieu and then a series of indigenous folktales that had been translated into English. After each intervention, the students were asked to fill out a questionnaire that evaluated their enjoyment, interest, motivation, and self-perceived efficacy. Interviews and focus groups followed. The study found that students enjoyed the indigenous stories more by a statistically significant margin. The indigenous stories were also more effective in motivating students, while students perceived both types of material to be equally effective in terms of helping them learn new words and improve their proficiency. Implications for practitioners and policy makers are discussed.