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through Changing the Acoustic on a College Campus Ampliar la voz de los estudiantes en la educación superior: democratizar la enseñanza y el aprendizaje a través del cambio de la acústica en un centro universitario. Alison Cook-Sather This article describes three programs that work to democratize teaching and learning in higher education through amplifying student voices. The first program partners undergraduate students with college faculty to explore, affirm, and revise the pedagogical approaches the faculty members employ in their classrooms. The second program pairs undergraduate students and college staff members from the service/craft sector in reciprocal teaching and learning partnerships through which they explore topics and areas of mutual interest. The third program brings undergraduate students, faculty, and staff together to explore social justice issues and to build capacity for communicating across differences. Based at a selective liberal arts college in the northeastern United States, all three programs create new spaces within which undergraduat