Other trusted places to look for dog or puppy training classes:
www.capbt.org : The COAPE Association or Pet Behaviourist and Trainers. Classes also generally share an in depth knowledge of how your dog learns. Please look at the Find a Behaviourist area, then look at your location.
www.apdt.co.uk : The Association of Pet Dog Trainers. A widely experienced group of trainers with many types of classes.