NSF INCLUDES (Inclusion Across the Nation of Communities of Learners of Underrepresented Discoverers in Engineering and Science) is a comprehensive national initiative designed to enhance U.S. leadership in discoveries and innovations by focusing on diversity, inclusion and broadening participation in Science, Technology, Engineering and Mathematics (STEM) at scale. This second NSF INCLUDES Report to the Nation which highlights the progress of the collective efforts to achieve more diversity in STEM. This report showcases the important work of NSF INCLUDES grantees; the lessons learned on building connections; and the corporate and federal partnerships that are empowering the national movement to broaden participation in STEM. What is uniquely bold about NSF INCLUDES is the focus on developing intentional collaboration and networks that are committed to common agendas and systemic approaches to solving specific STEM-inclusion challenges at a national scale.