Hertfordshire Aldwickbury School Aldwickbury School is an independent day school for boys aged 4 to 13. Day Boarding Boys Pre-Prep Prep 200 to 400 pupils Contact Details Wheathampstead Road, Harpenden, Hertfordshire, AL5 1AE www.aldwickbury.org.uk More pre-prep and prep schools in Hertfordshire Beechwood Park Berkhamsted School Bishop's Stortford College St Columba's College View more Hertfordshire schools.