2026 Best Secondary Schools in Sidcup Area

Sidcup secondary schools achieve an average Attainment 8 score of 46, well above the England average of 39, with 72% of students achieving grades 9-7 at GCSE. Chislehurst and Sidcup Grammar School is a selective grammar school that leads the area, alongside Blackfen School for Girls and Cleeve Park School. While secondary schools have an average FMS Inspection Score of 5.8/10, Developing band, compared with England's 7.4/10 (Good). Families across Blackfen, Lamorbey, Chislehurst, and Foots Cray have access to both selective and comprehensive options within this well-connected part of the London Borough of Bexley. Use the search filters to compare schools by Attainment 8 or FMS Inspection Score.