To address opportunity gaps and improve equity, many selective U.S. colleges consider the backgrounds of applicants as part of their holistic admissions process. However, background information is usually not standardized or available for all applicants. Zachary Mabel, Michael D. Hurwitz, Jessica Howell, and Greg Perfetto discuss how a new tool developed by the College Board can help put applicants in context and examine the impact this may have on campus diversity.