South East London Blackheath Prep Blackheath Prep is an independent day school for boys and girls aged 3 to 11. Day Boys Girls Pre-Prep Prep 200 to 400 pupils Contact Details 4 St Germans Place, Blackheath, London, SE3 0NJ www.blackheathprep.co.uk More pre-prep and prep schools in South East London Alleyn's School Sydenham High School View more South East London schools.