In higher education institutions across the world, rapid changes are occurring as the socio-economic composition of these universities is shifting. The participation of females, ethnic minority groups, and low-income students has increased exponentially, leading to major changes in student activities, curriculum, and overall campus culture. Significant research is a necessity for understanding the need of broader educational access and promoting a newly empowered diverse population of students in today’s universities. Accessibility and Diversity in the 21st Century University is a pivotal reference source that provides vital research on the provision of higher educational access to a more diverse population with a specific focus on the growing population of women in the university, key intersections with race and sexual preference, and the experiences of low-income students, mid-career and reentry students, and special needs populations. While highlighting topics such as adult learning, race-based achievement gaps, and women’s studies, this publication is ideally designed for educators, higher education faculty, deans, provosts, chancellors, policymakers, sociologists, anthropologists, researchers, scholars, and students seeking current research on modern advancements of diversity in higher education systems.