Overton Grange School is a mixed academy school in Sutton, Greater London, England. The school's opening year was 1997 with the first intake. Planning for a new school in the area was identified in the 1980s. The capacity is approximately 1300 students. It has a sixth form college, opened in 2002. It has a hearing support department and a greater number of students with disabilities because of the purpose-built facilities. The school became an academy on 1 June 2011.