This program was supported in part by a grant to Grinnell College from the Howard Hughes Medical Institute through the Precollege and Undergraduate Science Education Program. We thank the Grinnell College students who participated in this study and the faculty and staff who contributed to development and implementation of inclusive programming for second-year students. We thank Carlie VanWilligen, director of Institutional Research at Grinnell College, for assistance with survey administration and data acquisition and Susan Ferrari, director of Corporate, Foundation, and Government Relations at Grinnell, for assistance with editing the manuscript.