Carmita Vaughan, chief of staff for the CPS Office of High School Programs, has been named chief strategy officer for America’s Promise Alliance, a Washington, D.C.-based organization focused on improving education, health care and other facets of children’s lives. Vaughan will oversee the Alliance’s major new initiative, a series of Dropout Prevention Summits slated to be held across the country. The Alliance was founded by former Gen. Colin Powell and includes representatives of corporations, foundations, nonprofit groups and other institutions. Vaughan, who worked on dropout prevention efforts at CPS, will join the Alliance on Apr. 1. … William Johnson will stay on as principal at Fenger High in Roseland, one of four turnaround schools for the 2009-2010 school year. Johnson has been the principal of Fenger since 2004. Donald Fraynd, head of the CPS Office of High School Turnarounds, says he and Johnson are in the midst of interviewing teachers to fill positions at Fenger. Fraynd has reached out to Mikva Challenge, an organization that works to develop civic leadership in high school students, to form a student group that will interview teachers candidates and make hiring recommendations. …The Academy for Urban School Leadership has hired new principals for the three elementary schools it will operate as turnarounds this fall. Zipporah Hightower, former principal at Kellogg, will become principal at Bethune; Pamela Creed, former director at the Washington Park Campus of Chicago International Charter School, will become principal at Dulles; and A. Felice Henry, former principal at Summers Prep, an alternative school operated by the Human Resources Development Institute, will become principal at Johnson.