South West London Hornsby House School Hornsby House School is an independent day school for boys and girls aged 4 to 11. Day Boys Girls Pre-Prep Prep 400 to 700 pupils Contact Details Hearnville Road, London, SW12 8RS www.hornsbyhouse.org.uk More pre-prep and prep schools in South West London Kew Green Preparatory School Lady Eleanor Holles School Staines Preparatory School View more South West London schools.