South East
Kent College ISC (Canterbury, Kent)
Bell Bedgebury International School (Cranbrook, Kent)

Midlands
Bedford School Study Centre (Bedford, Hertfordshire)
Rossall School ISC (Fleetwood, Lancashire)
TWIN (Eastbourne)
Kings School Ely(Cambridge)

South West
Sidmouth International (Sidmouth, Devon)
Taunton School ISC (Taunton, Somerset)
Sherbourne International College (Sherborne, Dorset)