This chapter presents a reflective study on academic libraries' roles in reforming higher education systems. This chapter focuses on several aspects of academic libraries in improving higher education in universities and describes the impact of decolonization in higher education, emphasizing National Education Policy 2020 and democratization of higher education institutions (HEIs) worldwide. This study focuses on the mediating role of academic libraries in supporting teaching, learning, research, and innovation in HEIs in term of collection development, positioning university library as a research hub, positioning as a hub for students' learning and success, technology integration and implementation, foster diversity and inclusion, open access advocacy, accreditation and quality assurance, library collaboration and partnership, organizational development, and employee excellence. Further, this chapter discusses how academic libraries matter in accreditation and quality assurance in HEIs.