Dorothy I. Height and Whitney M. Young Jr., Social Work Reinvestment Act This bill directs the Department of Health and Human Services (HHS) to (1) establish the Social Work Reinvestment Commission to advise on social work policy issues, (2) award specified grants to support social work activities, and (3) develop public service announcements to promote the social work profession. HHS shall award grants to (1) certain entities that employ social workers to carry out workplace improvement programs to address concerns related to the social work profession; (2) institutions of higher education to support social work students and faculty; (3) eligible state or local government entities or nonprofits to test and replicate effective social work interventions; and (4) postdoctoral researchers in social work.