West London St Helen's College St Helen's College is an independent day school for boys and girls aged 2 to 11. Day Boys Girls Pre-Prep Prep 200 to 400 pupils Contact Details Parkway, Hillingdon, Middlesex, UB10 9JX www.sthelenscollege.com More pre-prep and prep schools in West London Ravenscourt Park Preparatory School St Benedict's School View more West London schools.