Hampshire Alton School Alton School is an independent day school for boys and girls aged 6 months to 18. Day Boys Girls Pre-Prep Prep Senior 200 to 400 pupils Contact Details Anstey Lane, Alton, GU34 2NG www.altonschool.co.uk More pre-prep and prep schools in Hampshire Ryde School St Swithun's School Stroud School, King Edward VI Preparatory View more Hampshire schools. More senior schools in Hampshire Ryde School St Swithun's School View more Hampshire schools.