It should be complete, submitted on time, reflect your ability to present yourself clearly, have a strong focus in your interests and lines of scholarly inquiry, and demonstrate your commitment to a long-term and rigorous program of study.
Work experience in social work and social work-related fields is valued. Applicants who wish to become university faculty members in schools of social work are strongest if they have the MSW and two years of post-MSW social work experience before beginning doctoral studies.
Some GRE preparation is suggested before taking the GRE.