Luisa: "Who have tried it say it works and who has not proven the opposite based on nothing, certainly if it had not been a serious school it will be close in stand of becoming the biggest in Europe"
Dominique: "My opinion of the Callan method is good because at least they have very specific criteria, in contrast to many language schools that are given carte blanche to professor"
Federica: "Callan Method is a revolutionary method very subjective, but at least on my person is proving effective"
Stella: "
I find it really fantastic. Callan method is based on natural language that is by talking"