Mayor Setti Warren will be the commencement speaker at Mount Ida College’s graduation ceremony on May 17, college officials announced last week. The small, private college on Dedham Street expects to award 200 degrees during the ceremony. Warren, who is finishing up his first term as mayor, will also receive an honorary degree from the college. Warren “has dedicated much of his life making his community a better place to live and work,” Mount Ida president Barry Brown said in announcing the mayor’s commencement role. The college will also present honorary degrees to Paul S. Grogan, the president and chief executive officer of the Boston Foundation, and Anita Hill, a professor and senior adviser to the provost at Brandeis University in Waltham. In 1991, Hill’s groundbreaking testimony during Supreme Court nomination hearings for Clarence Thomas sparked a fierce national debate over sexual harassment in the workplace, and race and gender issues.