KC English Language School - Community Interest Company offering total immersion courses and homestay accommodation and activities. - http://www.kcenglishlanguageschool.co.uk/
Truro - Nelson Home Study - Homestay tuition and includes details of courses, accommodation, sightseeing and prices. - http://www.nelsonhomestudy.com/
Boscastle Language School - Cornwall - Offers to arrange homestays with an experienced EFL teacher and socialise with native speakers. - http://www.language-school-cornwall.co.uk/
Mercator Language School - Offering tuition combining learning with homestays, or water sports and activity programme. Locations in Cornwall, Devon and London area. - http://www.mercator-schools.ltd.uk/