 An additional 800-850 students (grade levels 9-12) are served by Business Careers High School, the "sister" magnet school of Holmes.The students at Business Careers counts as part of Holmes, making the student population of Holmes almost 2,900.During the 2006–2007 year, the Northside Board of Trustees changed the attendance zones of Earl Warren High School and Holmes, moving several neighborhoods from the Warren attendance zone to the Holmes attendance zone, to go into effect in 2007–2008.