Dorset Dumpton School Dumpton School is an independent day school for boys and girls aged 2 to 13. Day Boys Girls Pre-Prep Prep 200 to 400 pupils Contact Details Deans Grove House, Wimborne, Dorset, BH21 7AF www.dumpton.com More pre-prep and prep schools in Dorset Bournemouth Collegiate School Talbot Heath School View more Dorset schools.